./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 15:26:51,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 15:26:51,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 15:26:51,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 15:26:51,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 15:26:51,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 15:26:51,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 15:26:51,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 15:26:51,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 15:26:51,444 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 15:26:51,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 15:26:51,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 15:26:51,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 15:26:51,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 15:26:51,448 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 15:26:51,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 15:26:51,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 15:26:51,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 15:26:51,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 15:26:51,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 15:26:51,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 15:26:51,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 15:26:51,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 15:26:51,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 15:26:51,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 15:26:51,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 15:26:51,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 15:26:51,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 15:26:51,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 15:26:51,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:26:51,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 15:26:51,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 15:26:51,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 15:26:51,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 15:26:51,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 15:26:51,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 15:26:51,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 15:26:51,455 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 15:26:51,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 15:26:51,455 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-10-11 15:26:51,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 15:26:51,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 15:26:51,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 15:26:51,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 15:26:51,672 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 15:26:51,673 INFO L431 ainManager$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 [2024-10-11 15:26:52,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 15:26:53,192 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 15:26:53,195 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 [2024-10-11 15:26:53,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ebcf5e77e/2923e32694604e4195770d73756f96c7/FLAGe7a00e56d [2024-10-11 15:26:53,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ebcf5e77e/2923e32694604e4195770d73756f96c7 [2024-10-11 15:26:53,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 15:26:53,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 15:26:53,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 15:26:53,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 15:26:53,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 15:26:53,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:26:53" (1/1) ... [2024-10-11 15:26:53,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ad40b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:53, skipping insertion in model container [2024-10-11 15:26:53,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 03:26:53" (1/1) ... [2024-10-11 15:26:53,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 15:26:54,130 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-10-11 15:26:54,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:26:54,177 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 15:26:54,250 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] [2024-10-11 15:26:54,253 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] [2024-10-11 15:26:54,254 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-10-11 15:26:54,429 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2024-10-11 15:26:54,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 15:26:54,494 INFO L204 MainTranslator]: Completed translation [2024-10-11 15:26:54,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54 WrapperNode [2024-10-11 15:26:54,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 15:26:54,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 15:26:54,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 15:26:54,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 15:26:54,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,535 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,618 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1884 [2024-10-11 15:26:54,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 15:26:54,619 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 15:26:54,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 15:26:54,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 15:26:54,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,784 INFO L175 MemorySlicer]: Split 276 memory accesses to 11 slices as follows [2, 2, 24, 8, 1, 16, 3, 15, 23, 12, 170]. 62 percent of accesses are in the largest equivalence class. The 66 initializations are split as follows [2, 0, 18, 8, 0, 16, 3, 15, 0, 0, 4]. The 65 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 0, 16, 1, 42]. [2024-10-11 15:26:54,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 15:26:54,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 15:26:54,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 15:26:54,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 15:26:54,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (1/1) ... [2024-10-11 15:26:54,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 15:26:54,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:26:54,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 15:26:54,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 15:26:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-10-11 15:26:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-10-11 15:26:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-10-11 15:26:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-10-11 15:26:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-11 15:26:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-11 15:26:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-11 15:26:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-11 15:26:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-11 15:26:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-11 15:26:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-11 15:26:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-11 15:26:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-11 15:26:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-11 15:26:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-11 15:26:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-11 15:26:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 15:26:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-11 15:26:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-11 15:26:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-10-11 15:26:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-10-11 15:26:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:26:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:26:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-11 15:26:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-11 15:26:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-11 15:26:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-10-11 15:26:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-11 15:26:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-10-11 15:26:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-11 15:26:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-11 15:26:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-10-11 15:26:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-11 15:26:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-11 15:26:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-11 15:26:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-11 15:26:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-11 15:26:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-11 15:26:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-11 15:26:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-11 15:26:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-11 15:26:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-10-11 15:26:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-11 15:26:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-11 15:26:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 15:26:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 15:26:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 15:26:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-11 15:26:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-11 15:26:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-10-11 15:26:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-10-11 15:26:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-10-11 15:26:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-10-11 15:26:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 15:26:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-10-11 15:26:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-10-11 15:26:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-10-11 15:26:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-10-11 15:26:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 15:26:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 15:26:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 15:26:54,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-11 15:26:54,972 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-10-11 15:26:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-11 15:26:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-10-11 15:26:54,973 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 15:26:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 15:26:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 15:26:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 15:26:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-11 15:26:54,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-10-11 15:26:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-10-11 15:26:54,975 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 15:26:54,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-10-11 15:26:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-11 15:26:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-11 15:26:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-10-11 15:26:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-11 15:26:54,976 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 15:26:54,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-10-11 15:26:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 15:26:54,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 15:26:54,977 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-10-11 15:26:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-10-11 15:26:54,978 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-10-11 15:26:54,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-10-11 15:26:55,385 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 15:26:55,389 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 15:26:55,508 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-11 15:26:56,718 INFO L? ?]: Removed 925 outVars from TransFormulas that were not future-live. [2024-10-11 15:26:56,718 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 15:26:56,804 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 15:26:56,804 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-11 15:26:56,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:26:56 BoogieIcfgContainer [2024-10-11 15:26:56,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 15:26:56,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 15:26:56,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 15:26:56,809 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 15:26:56,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 03:26:53" (1/3) ... [2024-10-11 15:26:56,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a49fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:26:56, skipping insertion in model container [2024-10-11 15:26:56,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 03:26:54" (2/3) ... [2024-10-11 15:26:56,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a49fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 03:26:56, skipping insertion in model container [2024-10-11 15:26:56,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 03:26:56" (3/3) ... [2024-10-11 15:26:56,811 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-10-11 15:26:56,824 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 15:26:56,824 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 15:26:56,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 15:26:56,898 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;@245ae48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 15:26:56,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 15:26:56,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 575 states, 377 states have (on average 1.3740053050397878) internal successors, (518), 388 states have internal predecessors, (518), 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) [2024-10-11 15:26:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 15:26:56,916 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:26:56,917 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 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] [2024-10-11 15:26:56,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:26:56,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:26:56,922 INFO L85 PathProgramCache]: Analyzing trace with hash -853168442, now seen corresponding path program 1 times [2024-10-11 15:26:56,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:26:56,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223900049] [2024-10-11 15:26:56,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:26:56,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:26:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:26:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:26:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:26:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:26:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:26:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:26:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:26:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:26:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:26:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:26:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:26:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:26:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:26:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:26:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:57,620 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-11 15:26:57,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:26:57,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223900049] [2024-10-11 15:26:57,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223900049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:26:57,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:26:57,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 15:26:57,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776095225] [2024-10-11 15:26:57,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:26:57,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 15:26:57,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:26:57,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 15:26:57,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 15:26:57,644 INFO L87 Difference]: Start difference. First operand has 575 states, 377 states have (on average 1.3740053050397878) internal successors, (518), 388 states have internal predecessors, (518), 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 7.0) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-10-11 15:26:59,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:26:59,658 INFO L93 Difference]: Finished difference Result 1170 states and 1743 transitions. [2024-10-11 15:26:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:26:59,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 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 152 [2024-10-11 15:26:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:26:59,676 INFO L225 Difference]: With dead ends: 1170 [2024-10-11 15:26:59,676 INFO L226 Difference]: Without dead ends: 590 [2024-10-11 15:26:59,682 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 [2024-10-11 15:26:59,684 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 319 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-11 15:26:59,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1352 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-11 15:26:59,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-10-11 15:26:59,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 567. [2024-10-11 15:26:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 375 states have (on average 1.3493333333333333) internal successors, (506), 380 states have internal predecessors, (506), 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) [2024-10-11 15:26:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 808 transitions. [2024-10-11 15:26:59,764 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 808 transitions. Word has length 152 [2024-10-11 15:26:59,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:26:59,765 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 808 transitions. [2024-10-11 15:26:59,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-10-11 15:26:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 808 transitions. [2024-10-11 15:26:59,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-11 15:26:59,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:26:59,768 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 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] [2024-10-11 15:26:59,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 15:26:59,769 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:26:59,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:26:59,769 INFO L85 PathProgramCache]: Analyzing trace with hash 554266316, now seen corresponding path program 1 times [2024-10-11 15:26:59,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:26:59,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443607488] [2024-10-11 15:26:59,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:26:59,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:26:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:59,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:59,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:26:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:26:59,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-11 15:27:00,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:00,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443607488] [2024-10-11 15:27:00,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443607488] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:00,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:00,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:27:00,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662278296] [2024-10-11 15:27:00,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:00,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:27:00,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:00,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:27:00,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:27:00,139 INFO L87 Difference]: Start difference. First operand 567 states and 808 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-11 15:27:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:02,814 INFO L93 Difference]: Finished difference Result 1649 states and 2419 transitions. [2024-10-11 15:27:02,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:27:02,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 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 152 [2024-10-11 15:27:02,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:02,821 INFO L225 Difference]: With dead ends: 1649 [2024-10-11 15:27:02,821 INFO L226 Difference]: Without dead ends: 1118 [2024-10-11 15:27:02,823 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 [2024-10-11 15:27:02,824 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 1151 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1300 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 2236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:02,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1300 Valid, 1710 Invalid, 2236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-11 15:27:02,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2024-10-11 15:27:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1073. [2024-10-11 15:27:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1073 states, 718 states have (on average 1.3579387186629526) internal successors, (975), 727 states have internal predecessors, (975), 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) [2024-10-11 15:27:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1533 transitions. [2024-10-11 15:27:02,889 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1533 transitions. Word has length 152 [2024-10-11 15:27:02,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:02,890 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1533 transitions. [2024-10-11 15:27:02,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-10-11 15:27:02,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1533 transitions. [2024-10-11 15:27:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-11 15:27:02,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:02,896 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-10-11 15:27:02,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 15:27:02,896 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:02,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:02,896 INFO L85 PathProgramCache]: Analyzing trace with hash -444204616, now seen corresponding path program 1 times [2024-10-11 15:27:02,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:02,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779446785] [2024-10-11 15:27:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:02,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:27:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-10-11 15:27:03,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:03,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779446785] [2024-10-11 15:27:03,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779446785] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:03,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:03,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:27:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306391206] [2024-10-11 15:27:03,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:03,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:27:03,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:03,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:27:03,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:27:03,187 INFO L87 Difference]: Start difference. First operand 1073 states and 1533 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-11 15:27:05,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:05,366 INFO L93 Difference]: Finished difference Result 2151 states and 3137 transitions. [2024-10-11 15:27:05,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:27:05,367 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 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 163 [2024-10-11 15:27:05,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:05,375 INFO L225 Difference]: With dead ends: 2151 [2024-10-11 15:27:05,375 INFO L226 Difference]: Without dead ends: 1114 [2024-10-11 15:27:05,379 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 15:27:05,380 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 922 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1066 SdHoareTripleChecker+Valid, 1312 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:05,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1066 Valid, 1312 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 15:27:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-10-11 15:27:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1072. [2024-10-11 15:27:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 717 states have (on average 1.3542538354253835) internal successors, (971), 726 states have internal predecessors, (971), 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) [2024-10-11 15:27:05,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1529 transitions. [2024-10-11 15:27:05,434 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1529 transitions. Word has length 163 [2024-10-11 15:27:05,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:05,435 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1529 transitions. [2024-10-11 15:27:05,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-10-11 15:27:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1529 transitions. [2024-10-11 15:27:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 15:27:05,440 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:05,441 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2024-10-11 15:27:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 15:27:05,441 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:05,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1908840171, now seen corresponding path program 1 times [2024-10-11 15:27:05,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:05,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600655998] [2024-10-11 15:27:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:27:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:27:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:27:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 15:27:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-10-11 15:27:05,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600655998] [2024-10-11 15:27:05,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600655998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:05,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:05,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:27:05,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907531177] [2024-10-11 15:27:05,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:05,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:27:05,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:05,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:27:05,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:27:05,840 INFO L87 Difference]: Start difference. First operand 1072 states and 1529 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-10-11 15:27:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:08,266 INFO L93 Difference]: Finished difference Result 3221 states and 4717 transitions. [2024-10-11 15:27:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:27:08,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 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 211 [2024-10-11 15:27:08,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:08,277 INFO L225 Difference]: With dead ends: 3221 [2024-10-11 15:27:08,277 INFO L226 Difference]: Without dead ends: 2183 [2024-10-11 15:27:08,281 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 [2024-10-11 15:27:08,281 INFO L432 NwaCegarLoop]: 528 mSDtfsCounter, 1179 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 1532 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 2233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 1532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:08,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 1716 Invalid, 2233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 1532 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 15:27:08,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-11 15:27:08,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2099. [2024-10-11 15:27:08,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2099 states, 1409 states have (on average 1.3577004968062456) internal successors, (1913), 1426 states have internal predecessors, (1913), 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) [2024-10-11 15:27:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2997 transitions. [2024-10-11 15:27:08,363 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2997 transitions. Word has length 211 [2024-10-11 15:27:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:08,364 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 2997 transitions. [2024-10-11 15:27:08,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-10-11 15:27:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2997 transitions. [2024-10-11 15:27:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-11 15:27:08,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:08,369 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:08,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 15:27:08,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:08,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:08,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1750708645, now seen corresponding path program 1 times [2024-10-11 15:27:08,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:08,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988322226] [2024-10-11 15:27:08,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:08,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:27:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:27:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:27:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 15:27:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:08,682 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-11 15:27:08,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:08,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988322226] [2024-10-11 15:27:08,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988322226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:08,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:08,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 15:27:08,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032521110] [2024-10-11 15:27:08,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:08,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:27:08,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:08,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:27:08,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 15:27:08,685 INFO L87 Difference]: Start difference. First operand 2099 states and 2997 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-10-11 15:27:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:10,789 INFO L93 Difference]: Finished difference Result 4246 states and 6183 transitions. [2024-10-11 15:27:10,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 15:27:10,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 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 231 [2024-10-11 15:27:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:10,804 INFO L225 Difference]: With dead ends: 4246 [2024-10-11 15:27:10,804 INFO L226 Difference]: Without dead ends: 2183 [2024-10-11 15:27:10,812 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 [2024-10-11 15:27:10,813 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 318 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:10,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 1712 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-11 15:27:10,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-11 15:27:10,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2103. [2024-10-11 15:27:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 1413 states have (on average 1.356687898089172) internal successors, (1917), 1430 states have internal predecessors, (1917), 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) [2024-10-11 15:27:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 3001 transitions. [2024-10-11 15:27:10,919 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 3001 transitions. Word has length 231 [2024-10-11 15:27:10,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:10,921 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 3001 transitions. [2024-10-11 15:27:10,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 3 states have internal predecessors, (69), 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) [2024-10-11 15:27:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 3001 transitions. [2024-10-11 15:27:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-11 15:27:10,926 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:10,926 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:10,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 15:27:10,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:10,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:10,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1163902631, now seen corresponding path program 1 times [2024-10-11 15:27:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:10,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57721143] [2024-10-11 15:27:10,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:27:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:27:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:27:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 15:27:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-11 15:27:11,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:11,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57721143] [2024-10-11 15:27:11,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57721143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:11,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:11,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 15:27:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616875410] [2024-10-11 15:27:11,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:11,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 15:27:11,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:11,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 15:27:11,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 15:27:11,675 INFO L87 Difference]: Start difference. First operand 2103 states and 3001 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-10-11 15:27:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:13,179 INFO L93 Difference]: Finished difference Result 3225 states and 4719 transitions. [2024-10-11 15:27:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 15:27:13,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 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 231 [2024-10-11 15:27:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:13,190 INFO L225 Difference]: With dead ends: 3225 [2024-10-11 15:27:13,190 INFO L226 Difference]: Without dead ends: 2187 [2024-10-11 15:27:13,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-11 15:27:13,194 INFO L432 NwaCegarLoop]: 516 mSDtfsCounter, 402 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1632 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1863 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:13,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1863 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1632 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 15:27:13,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-10-11 15:27:13,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2107. [2024-10-11 15:27:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 1417 states have (on average 1.355681016231475) internal successors, (1921), 1434 states have internal predecessors, (1921), 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) [2024-10-11 15:27:13,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3005 transitions. [2024-10-11 15:27:13,273 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3005 transitions. Word has length 231 [2024-10-11 15:27:13,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:13,273 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 3005 transitions. [2024-10-11 15:27:13,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-10-11 15:27:13,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3005 transitions. [2024-10-11 15:27:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-10-11 15:27:13,279 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:13,279 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:13,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 15:27:13,279 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:13,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:13,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1072526035, now seen corresponding path program 1 times [2024-10-11 15:27:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:13,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135493485] [2024-10-11 15:27:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:13,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:27:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:27:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:27:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 15:27:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 15:27:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 15:27:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-11 15:27:13,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:13,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135493485] [2024-10-11 15:27:13,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135493485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:13,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 15:27:13,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 15:27:13,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781527533] [2024-10-11 15:27:13,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:13,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 15:27:13,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:13,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 15:27:13,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-11 15:27:13,744 INFO L87 Difference]: Start difference. First operand 2107 states and 3005 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-10-11 15:27:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:16,074 INFO L93 Difference]: Finished difference Result 4362 states and 6431 transitions. [2024-10-11 15:27:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 15:27:16,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 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 244 [2024-10-11 15:27:16,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:16,088 INFO L225 Difference]: With dead ends: 4362 [2024-10-11 15:27:16,088 INFO L226 Difference]: Without dead ends: 2267 [2024-10-11 15:27:16,098 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 [2024-10-11 15:27:16,100 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 557 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 2149 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 645 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:16,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 2149 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [645 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 15:27:16,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2024-10-11 15:27:16,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2107. [2024-10-11 15:27:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 1417 states have (on average 1.3528581510232887) internal successors, (1917), 1434 states have internal predecessors, (1917), 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) [2024-10-11 15:27:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3001 transitions. [2024-10-11 15:27:16,176 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3001 transitions. Word has length 244 [2024-10-11 15:27:16,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:16,176 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 3001 transitions. [2024-10-11 15:27:16,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-10-11 15:27:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3001 transitions. [2024-10-11 15:27:16,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-11 15:27:16,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:16,181 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:16,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 15:27:16,181 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:16,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:16,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1317174640, now seen corresponding path program 1 times [2024-10-11 15:27:16,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:16,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985882069] [2024-10-11 15:27:16,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:16,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-11 15:27:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 15:27:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 15:27:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 15:27:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 15:27:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 15:27:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 15:27:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 15:27:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 15:27:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 15:27:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 15:27:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-11 15:27:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-10-11 15:27:16,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985882069] [2024-10-11 15:27:16,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985882069] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:27:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816798244] [2024-10-11 15:27:16,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:16,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:16,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:16,814 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:27:16,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 15:27:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:17,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-11 15:27:17,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:27:17,430 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-10-11 15:27:17,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 15:27:17,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816798244] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 15:27:17,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 15:27:17,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-10-11 15:27:17,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839598517] [2024-10-11 15:27:17,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 15:27:17,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 15:27:17,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:17,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 15:27:17,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-11 15:27:17,433 INFO L87 Difference]: Start difference. First operand 2107 states and 3001 transitions. Second operand has 6 states, 4 states have (on average 22.75) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-10-11 15:27:18,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:18,645 INFO L93 Difference]: Finished difference Result 4210 states and 6005 transitions. [2024-10-11 15:27:18,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 15:27:18,645 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 22.75) internal successors, (91), 6 states have internal predecessors, (91), 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 246 [2024-10-11 15:27:18,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:18,655 INFO L225 Difference]: With dead ends: 4210 [2024-10-11 15:27:18,655 INFO L226 Difference]: Without dead ends: 2108 [2024-10-11 15:27:18,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-11 15:27:18,663 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 2 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:18,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3599 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 15:27:18,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-10-11 15:27:18,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2108. [2024-10-11 15:27:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2108 states, 1418 states have (on average 1.3526093088857545) internal successors, (1918), 1435 states have internal predecessors, (1918), 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) [2024-10-11 15:27:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3002 transitions. [2024-10-11 15:27:18,737 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3002 transitions. Word has length 246 [2024-10-11 15:27:18,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:18,737 INFO L471 AbstractCegarLoop]: Abstraction has 2108 states and 3002 transitions. [2024-10-11 15:27:18,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 22.75) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-10-11 15:27:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3002 transitions. [2024-10-11 15:27:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-11 15:27:18,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:18,742 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:18,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 15:27:18,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:18,943 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:18,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:18,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1512248054, now seen corresponding path program 1 times [2024-10-11 15:27:18,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:18,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814665291] [2024-10-11 15:27:18,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:18,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:27:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-11 15:27:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 15:27:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:27:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 15:27:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 15:27:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 15:27:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 15:27:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-11 15:27:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 15:27:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-11 15:27:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 15:27:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 15:27:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 15:27:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 15:27:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-11 15:27:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-10-11 15:27:19,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814665291] [2024-10-11 15:27:19,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814665291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:27:19,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538426896] [2024-10-11 15:27:19,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:19,764 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:27:19,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 15:27:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:20,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-11 15:27:20,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:27:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 295 proven. 1 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-10-11 15:27:20,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:27:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-10-11 15:27:20,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538426896] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:27:20,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:27:20,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2024-10-11 15:27:20,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550653857] [2024-10-11 15:27:20,865 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:27:20,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-11 15:27:20,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:20,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-11 15:27:20,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-10-11 15:27:20,867 INFO L87 Difference]: Start difference. First operand 2108 states and 3002 transitions. Second operand has 17 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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) [2024-10-11 15:27:26,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:26,451 INFO L93 Difference]: Finished difference Result 4377 states and 6368 transitions. [2024-10-11 15:27:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 15:27:26,452 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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 257 [2024-10-11 15:27:26,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:26,466 INFO L225 Difference]: With dead ends: 4377 [2024-10-11 15:27:26,467 INFO L226 Difference]: Without dead ends: 2277 [2024-10-11 15:27:26,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 625 GetRequests, 592 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2024-10-11 15:27:26,476 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 447 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 4710 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 4530 SdHoareTripleChecker+Invalid, 5195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 4710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:26,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 4530 Invalid, 5195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 4710 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-11 15:27:26,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2024-10-11 15:27:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2121. [2024-10-11 15:27:26,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2121 states, 1426 states have (on average 1.3513323983169705) internal successors, (1927), 1443 states have internal predecessors, (1927), 545 states have call successors, (545), 150 states have call predecessors, (545), 149 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-11 15:27:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3015 transitions. [2024-10-11 15:27:26,609 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3015 transitions. Word has length 257 [2024-10-11 15:27:26,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:26,609 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3015 transitions. [2024-10-11 15:27:26,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 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) [2024-10-11 15:27:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3015 transitions. [2024-10-11 15:27:26,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-11 15:27:26,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:26,618 INFO L215 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:26,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 15:27:26,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:26,819 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:26,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:26,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1697976274, now seen corresponding path program 2 times [2024-10-11 15:27:26,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:26,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190857348] [2024-10-11 15:27:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:26,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:27:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 15:27:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 15:27:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-11 15:27:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 15:27:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-11 15:27:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 15:27:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 15:27:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:27:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 15:27:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:27:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 15:27:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-11 15:27:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-11 15:27:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-11 15:27:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 15:27:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 10 proven. 120 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-10-11 15:27:27,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:27,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190857348] [2024-10-11 15:27:27,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190857348] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:27:27,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067199308] [2024-10-11 15:27:27,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-11 15:27:27,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:27,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:27,760 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:27:27,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 15:27:29,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-11 15:27:29,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 15:27:29,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-11 15:27:29,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:27:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 585 proven. 71 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-10-11 15:27:29,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:27:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 75 proven. 55 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-10-11 15:27:29,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067199308] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:27:29,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:27:29,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 8] total 23 [2024-10-11 15:27:29,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212560771] [2024-10-11 15:27:29,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:27:29,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-11 15:27:29,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:29,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-11 15:27:29,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-10-11 15:27:29,541 INFO L87 Difference]: Start difference. First operand 2121 states and 3015 transitions. Second operand has 23 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 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) [2024-10-11 15:27:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:34,623 INFO L93 Difference]: Finished difference Result 4387 states and 6372 transitions. [2024-10-11 15:27:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 15:27:34,623 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 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 267 [2024-10-11 15:27:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:34,634 INFO L225 Difference]: With dead ends: 4387 [2024-10-11 15:27:34,634 INFO L226 Difference]: Without dead ends: 2278 [2024-10-11 15:27:34,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=291, Invalid=1515, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 15:27:34,641 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 458 mSDsluCounter, 5221 mSDsCounter, 0 mSdLazyCounter, 5932 mSolverCounterSat, 529 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 6461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 529 IncrementalHoareTripleChecker+Valid, 5932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:34,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 5723 Invalid, 6461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [529 Valid, 5932 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-10-11 15:27:34,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-10-11 15:27:34,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2122. [2024-10-11 15:27:34,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2122 states, 1427 states have (on average 1.3510861948142958) internal successors, (1928), 1444 states have internal predecessors, (1928), 545 states have call successors, (545), 150 states have call predecessors, (545), 149 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-11 15:27:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 3016 transitions. [2024-10-11 15:27:34,717 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 3016 transitions. Word has length 267 [2024-10-11 15:27:34,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:34,717 INFO L471 AbstractCegarLoop]: Abstraction has 2122 states and 3016 transitions. [2024-10-11 15:27:34,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 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) [2024-10-11 15:27:34,718 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 3016 transitions. [2024-10-11 15:27:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-11 15:27:34,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:34,723 INFO L215 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:34,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 15:27:34,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:34,924 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:34,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:34,925 INFO L85 PathProgramCache]: Analyzing trace with hash 121287178, now seen corresponding path program 3 times [2024-10-11 15:27:34,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:34,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529015348] [2024-10-11 15:27:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:34,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:27:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-11 15:27:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 15:27:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-11 15:27:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 15:27:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 15:27:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-11 15:27:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 15:27:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-11 15:27:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 15:27:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 15:27:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 15:27:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 15:27:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 15:27:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 15:27:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-11 15:27:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 12 proven. 186 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-10-11 15:27:35,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529015348] [2024-10-11 15:27:35,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529015348] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:27:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231838627] [2024-10-11 15:27:35,881 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-11 15:27:35,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:35,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:35,883 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:27:35,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 15:27:36,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-11 15:27:36,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 15:27:36,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-11 15:27:36,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:27:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 308 proven. 6 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-10-11 15:27:37,000 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:27:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 192 proven. 6 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-10-11 15:27:37,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231838627] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:27:37,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:27:37,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2024-10-11 15:27:37,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005643009] [2024-10-11 15:27:37,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:27:37,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 15:27:37,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:37,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 15:27:37,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-10-11 15:27:37,441 INFO L87 Difference]: Start difference. First operand 2122 states and 3016 transitions. Second operand has 24 states, 20 states have (on average 6.5) internal successors, (130), 20 states have internal predecessors, (130), 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) [2024-10-11 15:27:43,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:43,627 INFO L93 Difference]: Finished difference Result 4389 states and 6374 transitions. [2024-10-11 15:27:43,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-11 15:27:43,629 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 6.5) internal successors, (130), 20 states have internal predecessors, (130), 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 277 [2024-10-11 15:27:43,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:43,641 INFO L225 Difference]: With dead ends: 4389 [2024-10-11 15:27:43,641 INFO L226 Difference]: Without dead ends: 2279 [2024-10-11 15:27:43,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=267, Invalid=1539, Unknown=0, NotChecked=0, Total=1806 [2024-10-11 15:27:43,648 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 552 mSDsluCounter, 5634 mSDsCounter, 0 mSdLazyCounter, 6441 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 6138 SdHoareTripleChecker+Invalid, 7109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 6441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:43,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 6138 Invalid, 7109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 6441 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-10-11 15:27:43,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2024-10-11 15:27:43,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2123. [2024-10-11 15:27:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1428 states have (on average 1.3508403361344539) internal successors, (1929), 1445 states have internal predecessors, (1929), 545 states have call successors, (545), 150 states have call predecessors, (545), 149 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-11 15:27:43,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3017 transitions. [2024-10-11 15:27:43,729 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3017 transitions. Word has length 277 [2024-10-11 15:27:43,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:43,729 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3017 transitions. [2024-10-11 15:27:43,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 6.5) internal successors, (130), 20 states have internal predecessors, (130), 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) [2024-10-11 15:27:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3017 transitions. [2024-10-11 15:27:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-10-11 15:27:43,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:43,736 INFO L215 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:43,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-11 15:27:43,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-11 15:27:43,937 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:43,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:43,937 INFO L85 PathProgramCache]: Analyzing trace with hash 675360814, now seen corresponding path program 4 times [2024-10-11 15:27:43,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:43,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100437239] [2024-10-11 15:27:43,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:43,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:27:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-11 15:27:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 15:27:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-11 15:27:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 15:27:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 15:27:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 15:27:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 15:27:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-11 15:27:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 15:27:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 15:27:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 15:27:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 15:27:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:44,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 15:27:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 15:27:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 15:27:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:45,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 14 proven. 271 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2024-10-11 15:27:45,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:45,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100437239] [2024-10-11 15:27:45,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100437239] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:27:45,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543674369] [2024-10-11 15:27:45,049 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-11 15:27:45,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:45,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:45,051 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:27:45,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 15:27:48,773 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-11 15:27:48,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 15:27:48,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-11 15:27:48,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:27:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 997 proven. 16 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-10-11 15:27:48,979 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:27:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 188 proven. 97 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2024-10-11 15:27:49,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543674369] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:27:49,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:27:49,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2024-10-11 15:27:49,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081151727] [2024-10-11 15:27:49,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:27:49,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-11 15:27:49,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:49,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-11 15:27:49,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-11 15:27:49,414 INFO L87 Difference]: Start difference. First operand 2123 states and 3017 transitions. Second operand has 24 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 4 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-10-11 15:27:55,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:27:55,269 INFO L93 Difference]: Finished difference Result 4395 states and 6383 transitions. [2024-10-11 15:27:55,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-11 15:27:55,269 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 4 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 287 [2024-10-11 15:27:55,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:27:55,282 INFO L225 Difference]: With dead ends: 4395 [2024-10-11 15:27:55,282 INFO L226 Difference]: Without dead ends: 2287 [2024-10-11 15:27:55,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 649 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=344, Invalid=1912, Unknown=0, NotChecked=0, Total=2256 [2024-10-11 15:27:55,288 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 368 mSDsluCounter, 6288 mSDsCounter, 0 mSdLazyCounter, 7220 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 6787 SdHoareTripleChecker+Invalid, 7555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 7220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-11 15:27:55,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 6787 Invalid, 7555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [335 Valid, 7220 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-11 15:27:55,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2024-10-11 15:27:55,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2131. [2024-10-11 15:27:55,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1435 states have (on average 1.3498257839721255) internal successors, (1937), 1452 states have internal predecessors, (1937), 545 states have call successors, (545), 151 states have call predecessors, (545), 150 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-11 15:27:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 3025 transitions. [2024-10-11 15:27:55,370 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 3025 transitions. Word has length 287 [2024-10-11 15:27:55,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:27:55,371 INFO L471 AbstractCegarLoop]: Abstraction has 2131 states and 3025 transitions. [2024-10-11 15:27:55,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 4 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-10-11 15:27:55,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3025 transitions. [2024-10-11 15:27:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-11 15:27:55,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:27:55,376 INFO L215 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:27:55,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 15:27:55,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-11 15:27:55,577 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:27:55,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:27:55,578 INFO L85 PathProgramCache]: Analyzing trace with hash -885591006, now seen corresponding path program 5 times [2024-10-11 15:27:55,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:27:55,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855465580] [2024-10-11 15:27:55,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:27:55,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:27:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:27:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:27:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:27:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:27:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 15:27:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-11 15:27:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 15:27:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-11 15:27:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 15:27:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 15:27:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 15:27:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-11 15:27:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-11 15:27:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 15:27:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 15:27:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 15:27:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 15:27:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 15:27:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:27:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 15:27:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:27:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:27:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 16 proven. 351 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-10-11 15:27:56,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:27:56,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855465580] [2024-10-11 15:27:56,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855465580] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:27:56,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701052386] [2024-10-11 15:27:56,663 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-11 15:27:56,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:27:56,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:27:56,665 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:27:56,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 15:27:58,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-10-11 15:27:58,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-11 15:27:58,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-11 15:27:58,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 15:27:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 904 proven. 55 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2024-10-11 15:27:58,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 15:27:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 56 proven. 311 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-10-11 15:27:58,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701052386] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 15:27:58,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 15:27:58,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 26 [2024-10-11 15:27:58,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486915397] [2024-10-11 15:27:58,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 15:27:58,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-11 15:27:58,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 15:27:58,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-11 15:27:58,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2024-10-11 15:27:58,668 INFO L87 Difference]: Start difference. First operand 2131 states and 3025 transitions. Second operand has 26 states, 22 states have (on average 5.909090909090909) internal successors, (130), 22 states have internal predecessors, (130), 4 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-10-11 15:28:04,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 15:28:04,574 INFO L93 Difference]: Finished difference Result 4405 states and 6386 transitions. [2024-10-11 15:28:04,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-11 15:28:04,575 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 22 states have (on average 5.909090909090909) internal successors, (130), 22 states have internal predecessors, (130), 4 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) Word has length 293 [2024-10-11 15:28:04,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 15:28:04,587 INFO L225 Difference]: With dead ends: 4405 [2024-10-11 15:28:04,587 INFO L226 Difference]: Without dead ends: 2288 [2024-10-11 15:28:04,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 658 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=338, Invalid=1824, Unknown=0, NotChecked=0, Total=2162 [2024-10-11 15:28:04,594 INFO L432 NwaCegarLoop]: 504 mSDtfsCounter, 478 mSDsluCounter, 6025 mSDsCounter, 0 mSdLazyCounter, 6704 mSolverCounterSat, 498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 6529 SdHoareTripleChecker+Invalid, 7202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 498 IncrementalHoareTripleChecker+Valid, 6704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-10-11 15:28:04,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 6529 Invalid, 7202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [498 Valid, 6704 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-10-11 15:28:04,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2024-10-11 15:28:04,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2132. [2024-10-11 15:28:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1436 states have (on average 1.34958217270195) internal successors, (1938), 1453 states have internal predecessors, (1938), 545 states have call successors, (545), 151 states have call predecessors, (545), 150 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-11 15:28:04,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3026 transitions. [2024-10-11 15:28:04,671 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3026 transitions. Word has length 293 [2024-10-11 15:28:04,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 15:28:04,671 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3026 transitions. [2024-10-11 15:28:04,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 22 states have (on average 5.909090909090909) internal successors, (130), 22 states have internal predecessors, (130), 4 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (48), 4 states have call predecessors, (48), 4 states have call successors, (48) [2024-10-11 15:28:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3026 transitions. [2024-10-11 15:28:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-10-11 15:28:04,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 15:28:04,675 INFO L215 NwaCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 15:28:04,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 15:28:04,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-11 15:28:04,877 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 15:28:04,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 15:28:04,877 INFO L85 PathProgramCache]: Analyzing trace with hash 284310318, now seen corresponding path program 6 times [2024-10-11 15:28:04,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 15:28:04,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688986528] [2024-10-11 15:28:04,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 15:28:04,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 15:28:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-11 15:28:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 15:28:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 15:28:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 15:28:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 15:28:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 15:28:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 15:28:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 15:28:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 15:28:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 15:28:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 15:28:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 15:28:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-11 15:28:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 15:28:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 15:28:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 15:28:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-11 15:28:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-11 15:28:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 15:28:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 15:28:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 15:28:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 15:28:06,067 INFO L134 CoverageAnalysis]: Checked inductivity of 2537 backedges. 18 proven. 442 refuted. 0 times theorem prover too weak. 2077 trivial. 0 not checked. [2024-10-11 15:28:06,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 15:28:06,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688986528] [2024-10-11 15:28:06,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688986528] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 15:28:06,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151901136] [2024-10-11 15:28:06,067 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-11 15:28:06,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 15:28:06,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 15:28:06,069 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 15:28:06,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process