./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 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 13:47:58,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 13:47:58,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-24 13:47:58,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 13:47:58,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 13:47:58,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 13:47:58,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 13:47:58,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 13:47:58,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 13:47:58,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 13:47:58,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 13:47:58,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 13:47:58,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 13:47:58,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 13:47:58,421 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 13:47:58,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 13:47:58,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 13:47:58,421 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 13:47:58,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 13:47:58,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 13:47:58,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 13:47:58,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 13:47:58,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 13:47:58,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 13:47:58,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 13:47:58,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 13:47:58,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 13:47:58,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 13:47:58,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 13:47:58,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:47:58,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 13:47:58,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 13:47:58,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 13:47:58,426 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 13:47:58,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 13:47:58,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 13:47:58,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 13:47:58,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 13:47:58,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 13:47:58,427 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-10-24 13:47:58,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 13:47:58,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 13:47:58,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 13:47:58,629 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 13:47:58,630 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 13:47:58,631 INFO L431 ainManager$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 [2024-10-24 13:47:59,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 13:48:00,163 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 13:48:00,163 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 [2024-10-24 13:48:00,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028deb80e/3f8e99451f91478187b490c0d16f8fd2/FLAGfe3d69322 [2024-10-24 13:48:00,203 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/028deb80e/3f8e99451f91478187b490c0d16f8fd2 [2024-10-24 13:48:00,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 13:48:00,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 13:48:00,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 13:48:00,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 13:48:00,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 13:48:00,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:48:00" (1/1) ... [2024-10-24 13:48:00,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f07d604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:00, skipping insertion in model container [2024-10-24 13:48:00,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:48:00" (1/1) ... [2024-10-24 13:48:00,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 13:48:01,028 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] [2024-10-24 13:48:01,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:48:01,071 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 13:48:01,139 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] [2024-10-24 13:48:01,141 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] [2024-10-24 13:48:01,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-10-24 13:48:01,364 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] [2024-10-24 13:48:01,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 13:48:01,438 INFO L204 MainTranslator]: Completed translation [2024-10-24 13:48:01,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01 WrapperNode [2024-10-24 13:48:01,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 13:48:01,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 13:48:01,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 13:48:01,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 13:48:01,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,550 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1884 [2024-10-24 13:48:01,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 13:48:01,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 13:48:01,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 13:48:01,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 13:48:01,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,574 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,747 INFO L175 MemorySlicer]: Split 276 memory accesses to 11 slices as follows [2, 12, 3, 16, 15, 23, 2, 1, 170, 8, 24]. 62 percent of accesses are in the largest equivalence class. The 66 initializations are split as follows [2, 0, 3, 16, 15, 0, 0, 0, 4, 8, 18]. The 65 writes are split as follows [0, 1, 0, 0, 0, 16, 0, 0, 42, 0, 6]. [2024-10-24 13:48:01,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,748 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 13:48:01,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 13:48:01,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 13:48:01,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 13:48:01,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (1/1) ... [2024-10-24 13:48:01,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 13:48:01,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:48:01,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 13:48:01,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 13:48:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-10-24 13:48:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-10-24 13:48:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-10-24 13:48:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-10-24 13:48:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-24 13:48:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-24 13:48:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-24 13:48:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-24 13:48:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-24 13:48:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-24 13:48:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-24 13:48:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-24 13:48:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-24 13:48:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-24 13:48:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-24 13:48:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 13:48:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 13:48:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 13:48:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 13:48:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-24 13:48:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-24 13:48:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-24 13:48:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-10-24 13:48:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-10-24 13:48:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-24 13:48:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-24 13:48:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-24 13:48:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-24 13:48:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-24 13:48:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-24 13:48:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-24 13:48:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-24 13:48:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-24 13:48:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-24 13:48:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-10-24 13:48:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-24 13:48:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-24 13:48:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-24 13:48:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-10-24 13:48:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-24 13:48:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-24 13:48:01,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-24 13:48:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-24 13:48:01,925 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-24 13:48:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-24 13:48:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-24 13:48:01,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-24 13:48:01,928 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-10-24 13:48:01,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-10-24 13:48:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-24 13:48:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-24 13:48:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 13:48:01,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 13:48:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 13:48:01,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-24 13:48:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-24 13:48:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-10-24 13:48:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-10-24 13:48:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-10-24 13:48:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-10-24 13:48:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 13:48:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-10-24 13:48:01,930 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-10-24 13:48:01,930 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-10-24 13:48:01,931 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-10-24 13:48:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 13:48:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 13:48:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 13:48:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 13:48:01,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 13:48:01,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-10-24 13:48:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-24 13:48:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-10-24 13:48:01,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 13:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-10-24 13:48:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-10-24 13:48:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 13:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-10-24 13:48:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 13:48:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-24 13:48:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-10-24 13:48:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-24 13:48:01,935 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-24 13:48:01,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-10-24 13:48:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-24 13:48:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 13:48:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 13:48:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-10-24 13:48:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-10-24 13:48:01,937 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-10-24 13:48:01,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-10-24 13:48:02,290 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 13:48:02,292 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 13:48:02,433 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-24 13:48:03,737 INFO L? ?]: Removed 925 outVars from TransFormulas that were not future-live. [2024-10-24 13:48:03,738 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 13:48:03,869 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 13:48:03,869 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 13:48:03,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:48:03 BoogieIcfgContainer [2024-10-24 13:48:03,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 13:48:03,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 13:48:03,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 13:48:03,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 13:48:03,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:48:00" (1/3) ... [2024-10-24 13:48:03,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409dfb56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:48:03, skipping insertion in model container [2024-10-24 13:48:03,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:48:01" (2/3) ... [2024-10-24 13:48:03,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409dfb56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:48:03, skipping insertion in model container [2024-10-24 13:48:03,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:48:03" (3/3) ... [2024-10-24 13:48:03,902 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-10-24 13:48:03,914 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 13:48:03,914 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 13:48:03,980 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 13:48:03,986 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;@654df064, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 13:48:03,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 13:48:03,993 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) [2024-10-24 13:48:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:48:04,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:04,006 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] [2024-10-24 13:48:04,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:04,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash -966971447, now seen corresponding path program 1 times [2024-10-24 13:48:04,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:04,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655850948] [2024-10-24 13:48:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-24 13:48:04,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:04,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655850948] [2024-10-24 13:48:04,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655850948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:04,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:04,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 13:48:04,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012911425] [2024-10-24 13:48:04,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:04,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 13:48:04,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:04,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 13:48:04,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 13:48:04,682 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) [2024-10-24 13:48:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:06,848 INFO L93 Difference]: Finished difference Result 1170 states and 1743 transitions. [2024-10-24 13:48:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:48:06,851 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 [2024-10-24 13:48:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:06,867 INFO L225 Difference]: With dead ends: 1170 [2024-10-24 13:48:06,868 INFO L226 Difference]: Without dead ends: 590 [2024-10-24 13:48:06,875 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 [2024-10-24 13:48:06,878 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 323 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1110 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 1110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:06,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1353 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 1110 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 13:48:06,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-10-24 13:48:06,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 567. [2024-10-24 13:48:06,960 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) [2024-10-24 13:48:06,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 808 transitions. [2024-10-24 13:48:06,966 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 808 transitions. Word has length 152 [2024-10-24 13:48:06,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:06,966 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 808 transitions. [2024-10-24 13:48:06,966 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) [2024-10-24 13:48:06,967 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 808 transitions. [2024-10-24 13:48:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 13:48:06,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:06,969 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] [2024-10-24 13:48:06,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 13:48:06,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:06,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:06,970 INFO L85 PathProgramCache]: Analyzing trace with hash 440463311, now seen corresponding path program 1 times [2024-10-24 13:48:06,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:06,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968124708] [2024-10-24 13:48:06,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:06,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:07,437 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-24 13:48:07,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:07,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968124708] [2024-10-24 13:48:07,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968124708] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:07,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:07,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:48:07,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956409542] [2024-10-24 13:48:07,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:07,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:48:07,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:07,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:48:07,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:48:07,440 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) [2024-10-24 13:48:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:09,661 INFO L93 Difference]: Finished difference Result 1649 states and 2419 transitions. [2024-10-24 13:48:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:48:09,661 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 [2024-10-24 13:48:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:09,669 INFO L225 Difference]: With dead ends: 1649 [2024-10-24 13:48:09,670 INFO L226 Difference]: Without dead ends: 1118 [2024-10-24 13:48:09,672 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 [2024-10-24 13:48:09,673 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 1155 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 1710 SdHoareTripleChecker+Invalid, 2226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:09,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 1710 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-24 13:48:09,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2024-10-24 13:48:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1073. [2024-10-24 13:48:09,757 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) [2024-10-24 13:48:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1533 transitions. [2024-10-24 13:48:09,766 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1533 transitions. Word has length 152 [2024-10-24 13:48:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:09,767 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1533 transitions. [2024-10-24 13:48:09,768 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) [2024-10-24 13:48:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1533 transitions. [2024-10-24 13:48:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 13:48:09,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:09,773 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] [2024-10-24 13:48:09,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 13:48:09,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:09,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:09,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1868089557, now seen corresponding path program 1 times [2024-10-24 13:48:09,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:09,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732331759] [2024-10-24 13:48:09,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:09,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:09,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:48:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:10,075 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-10-24 13:48:10,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:10,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732331759] [2024-10-24 13:48:10,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732331759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:10,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:10,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:48:10,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116477165] [2024-10-24 13:48:10,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:10,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:48:10,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:10,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:48:10,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:48:10,078 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) [2024-10-24 13:48:12,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:12,103 INFO L93 Difference]: Finished difference Result 2151 states and 3137 transitions. [2024-10-24 13:48:12,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:48:12,104 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 [2024-10-24 13:48:12,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:12,113 INFO L225 Difference]: With dead ends: 2151 [2024-10-24 13:48:12,114 INFO L226 Difference]: Without dead ends: 1114 [2024-10-24 13:48:12,119 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 [2024-10-24 13:48:12,120 INFO L432 NwaCegarLoop]: 512 mSDtfsCounter, 922 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 440 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 1536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 440 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:12,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 1309 Invalid, 1536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [440 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 13:48:12,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-10-24 13:48:12,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1072. [2024-10-24 13:48:12,166 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) [2024-10-24 13:48:12,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1529 transitions. [2024-10-24 13:48:12,173 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1529 transitions. Word has length 163 [2024-10-24 13:48:12,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:12,174 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1529 transitions. [2024-10-24 13:48:12,174 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) [2024-10-24 13:48:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1529 transitions. [2024-10-24 13:48:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-24 13:48:12,179 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:12,179 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] [2024-10-24 13:48:12,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 13:48:12,180 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:12,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:12,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1574393294, now seen corresponding path program 1 times [2024-10-24 13:48:12,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:12,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276063111] [2024-10-24 13:48:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:12,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:48:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:48:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:48:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:48:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-10-24 13:48:12,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:12,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276063111] [2024-10-24 13:48:12,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276063111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:12,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:12,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:48:12,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890985276] [2024-10-24 13:48:12,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:12,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:48:12,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:12,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:48:12,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:48:12,624 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) [2024-10-24 13:48:15,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:15,135 INFO L93 Difference]: Finished difference Result 3221 states and 4717 transitions. [2024-10-24 13:48:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:48:15,136 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 [2024-10-24 13:48:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:15,148 INFO L225 Difference]: With dead ends: 3221 [2024-10-24 13:48:15,149 INFO L226 Difference]: Without dead ends: 2183 [2024-10-24 13:48:15,153 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 [2024-10-24 13:48:15,155 INFO L432 NwaCegarLoop]: 525 mSDtfsCounter, 1187 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 2219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:15,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 1713 Invalid, 2219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [703 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-24 13:48:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-24 13:48:15,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2099. [2024-10-24 13:48:15,276 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) [2024-10-24 13:48:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2997 transitions. [2024-10-24 13:48:15,287 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2997 transitions. Word has length 211 [2024-10-24 13:48:15,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:15,288 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 2997 transitions. [2024-10-24 13:48:15,288 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) [2024-10-24 13:48:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2997 transitions. [2024-10-24 13:48:15,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-24 13:48:15,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:15,293 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] [2024-10-24 13:48:15,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 13:48:15,294 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:15,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:15,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1920090690, now seen corresponding path program 1 times [2024-10-24 13:48:15,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:15,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743001884] [2024-10-24 13:48:15,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:15,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:48:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:48:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:48:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:48:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-24 13:48:15,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:15,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743001884] [2024-10-24 13:48:15,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743001884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:15,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:15,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 13:48:15,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077374877] [2024-10-24 13:48:15,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:15,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:48:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:48:15,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 13:48:15,603 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) [2024-10-24 13:48:17,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:17,660 INFO L93 Difference]: Finished difference Result 4246 states and 6183 transitions. [2024-10-24 13:48:17,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 13:48:17,660 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 [2024-10-24 13:48:17,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:17,673 INFO L225 Difference]: With dead ends: 4246 [2024-10-24 13:48:17,674 INFO L226 Difference]: Without dead ends: 2183 [2024-10-24 13:48:17,682 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 [2024-10-24 13:48:17,683 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 318 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1713 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:17,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1713 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-10-24 13:48:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-24 13:48:17,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2103. [2024-10-24 13:48:17,782 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) [2024-10-24 13:48:17,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 3001 transitions. [2024-10-24 13:48:17,791 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 3001 transitions. Word has length 231 [2024-10-24 13:48:17,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:17,793 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 3001 transitions. [2024-10-24 13:48:17,794 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) [2024-10-24 13:48:17,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 3001 transitions. [2024-10-24 13:48:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-24 13:48:17,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:17,798 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] [2024-10-24 13:48:17,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 13:48:17,799 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:17,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:17,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1333284676, now seen corresponding path program 1 times [2024-10-24 13:48:17,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:17,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606990276] [2024-10-24 13:48:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:48:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:48:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:48:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:48:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:18,498 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-24 13:48:18,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:18,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606990276] [2024-10-24 13:48:18,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606990276] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:18,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:18,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 13:48:18,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584281651] [2024-10-24 13:48:18,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:18,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 13:48:18,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:18,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 13:48:18,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 13:48:18,501 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) [2024-10-24 13:48:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:20,794 INFO L93 Difference]: Finished difference Result 3225 states and 4719 transitions. [2024-10-24 13:48:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 13:48:20,794 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 [2024-10-24 13:48:20,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:20,805 INFO L225 Difference]: With dead ends: 3225 [2024-10-24 13:48:20,805 INFO L226 Difference]: Without dead ends: 2187 [2024-10-24 13:48:20,809 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 [2024-10-24 13:48:20,809 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 402 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1636 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1864 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:20,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1864 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1636 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-24 13:48:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-10-24 13:48:20,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2107. [2024-10-24 13:48:20,875 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) [2024-10-24 13:48:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3005 transitions. [2024-10-24 13:48:20,883 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3005 transitions. Word has length 231 [2024-10-24 13:48:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:20,884 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 3005 transitions. [2024-10-24 13:48:20,884 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) [2024-10-24 13:48:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3005 transitions. [2024-10-24 13:48:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-10-24 13:48:20,889 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:20,890 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] [2024-10-24 13:48:20,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 13:48:20,890 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:20,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:20,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1555855018, now seen corresponding path program 1 times [2024-10-24 13:48:20,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:20,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237532989] [2024-10-24 13:48:20,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:48:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:48:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:48:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:48:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:48:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-24 13:48:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-24 13:48:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:21,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237532989] [2024-10-24 13:48:21,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237532989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:21,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 13:48:21,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 13:48:21,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751163813] [2024-10-24 13:48:21,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:21,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 13:48:21,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:21,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 13:48:21,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 13:48:21,366 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) [2024-10-24 13:48:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:23,630 INFO L93 Difference]: Finished difference Result 4362 states and 6431 transitions. [2024-10-24 13:48:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 13:48:23,630 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 [2024-10-24 13:48:23,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:23,642 INFO L225 Difference]: With dead ends: 4362 [2024-10-24 13:48:23,642 INFO L226 Difference]: Without dead ends: 2267 [2024-10-24 13:48:23,651 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 [2024-10-24 13:48:23,651 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 553 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 635 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 2150 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 635 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:23,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 2150 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [635 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-24 13:48:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2024-10-24 13:48:23,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2107. [2024-10-24 13:48:23,722 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) [2024-10-24 13:48:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3001 transitions. [2024-10-24 13:48:23,730 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3001 transitions. Word has length 244 [2024-10-24 13:48:23,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:23,731 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 3001 transitions. [2024-10-24 13:48:23,731 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) [2024-10-24 13:48:23,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3001 transitions. [2024-10-24 13:48:23,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-24 13:48:23,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:23,737 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] [2024-10-24 13:48:23,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 13:48:23,737 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:23,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:23,737 INFO L85 PathProgramCache]: Analyzing trace with hash 883752755, now seen corresponding path program 1 times [2024-10-24 13:48:23,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484015645] [2024-10-24 13:48:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-24 13:48:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-24 13:48:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 13:48:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-24 13:48:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 13:48:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-24 13:48:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-24 13:48:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 13:48:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-24 13:48:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 13:48:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-24 13:48:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 13:48:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-10-24 13:48:24,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:24,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484015645] [2024-10-24 13:48:24,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484015645] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:48:24,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922360534] [2024-10-24 13:48:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:24,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:24,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:48:24,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:48:24,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 13:48:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:25,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-24 13:48:25,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:48:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-10-24 13:48:25,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 13:48:25,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922360534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 13:48:25,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 13:48:25,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-10-24 13:48:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707249025] [2024-10-24 13:48:25,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 13:48:25,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 13:48:25,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:25,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 13:48:25,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 13:48:25,098 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) [2024-10-24 13:48:25,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:25,948 INFO L93 Difference]: Finished difference Result 4210 states and 6005 transitions. [2024-10-24 13:48:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 13:48:25,948 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 [2024-10-24 13:48:25,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:25,958 INFO L225 Difference]: With dead ends: 4210 [2024-10-24 13:48:25,958 INFO L226 Difference]: Without dead ends: 2108 [2024-10-24 13:48:25,967 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 [2024-10-24 13:48:25,968 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 2 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:25,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3599 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 13:48:25,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-10-24 13:48:26,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2108. [2024-10-24 13:48:26,038 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) [2024-10-24 13:48:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3002 transitions. [2024-10-24 13:48:26,048 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3002 transitions. Word has length 246 [2024-10-24 13:48:26,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:26,048 INFO L471 AbstractCegarLoop]: Abstraction has 2108 states and 3002 transitions. [2024-10-24 13:48:26,049 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) [2024-10-24 13:48:26,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3002 transitions. [2024-10-24 13:48:26,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-24 13:48:26,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:26,054 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] [2024-10-24 13:48:26,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 13:48:26,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:26,256 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:26,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:26,256 INFO L85 PathProgramCache]: Analyzing trace with hash 288865811, now seen corresponding path program 1 times [2024-10-24 13:48:26,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:26,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711212394] [2024-10-24 13:48:26,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:26,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:48:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-24 13:48:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 13:48:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:26,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:48:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-24 13:48:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 13:48:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:48:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:48:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 13:48:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-24 13:48:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-24 13:48:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 13:48:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 13:48:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 13:48:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-24 13:48:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 13:48:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-10-24 13:48:27,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:27,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711212394] [2024-10-24 13:48:27,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711212394] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:48:27,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047321652] [2024-10-24 13:48:27,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:27,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:48:27,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:48:27,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 13:48:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:27,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-24 13:48:27,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:48:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 295 proven. 1 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-10-24 13:48:27,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:48:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-10-24 13:48:28,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047321652] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:48:28,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:48:28,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2024-10-24 13:48:28,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104310785] [2024-10-24 13:48:28,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:48:28,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 13:48:28,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:28,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 13:48:28,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-10-24 13:48:28,306 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) [2024-10-24 13:48:33,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:33,047 INFO L93 Difference]: Finished difference Result 4377 states and 6368 transitions. [2024-10-24 13:48:33,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-24 13:48:33,048 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 [2024-10-24 13:48:33,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:33,064 INFO L225 Difference]: With dead ends: 4377 [2024-10-24 13:48:33,064 INFO L226 Difference]: Without dead ends: 2277 [2024-10-24 13:48:33,071 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 [2024-10-24 13:48:33,071 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 456 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 4605 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 4528 SdHoareTripleChecker+Invalid, 5097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 4605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:33,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 4528 Invalid, 5097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 4605 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-10-24 13:48:33,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2024-10-24 13:48:33,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2121. [2024-10-24 13:48:33,149 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) [2024-10-24 13:48:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3015 transitions. [2024-10-24 13:48:33,162 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3015 transitions. Word has length 257 [2024-10-24 13:48:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:33,162 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3015 transitions. [2024-10-24 13:48:33,163 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) [2024-10-24 13:48:33,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3015 transitions. [2024-10-24 13:48:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-24 13:48:33,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:33,169 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] [2024-10-24 13:48:33,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 13:48:33,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-24 13:48:33,370 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:33,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1221450231, now seen corresponding path program 2 times [2024-10-24 13:48:33,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:33,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983704863] [2024-10-24 13:48:33,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:33,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:48:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:33,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-24 13:48:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-24 13:48:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-24 13:48:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-24 13:48:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-24 13:48:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-24 13:48:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-24 13:48:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:48:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-24 13:48:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:48:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-24 13:48:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-24 13:48:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 13:48:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-24 13:48:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-24 13:48:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 10 proven. 120 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-10-24 13:48:34,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983704863] [2024-10-24 13:48:34,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983704863] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:48:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374638631] [2024-10-24 13:48:34,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 13:48:34,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:34,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:48:34,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:48:34,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 13:48:35,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 13:48:35,407 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:48:35,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-24 13:48:35,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:48:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 582 proven. 55 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-10-24 13:48:35,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:48:35,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 49 proven. 81 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-10-24 13:48:35,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374638631] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:48:35,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:48:35,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 8] total 22 [2024-10-24 13:48:35,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430838128] [2024-10-24 13:48:35,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:48:35,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 13:48:35,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:35,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 13:48:35,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-10-24 13:48:35,887 INFO L87 Difference]: Start difference. First operand 2121 states and 3015 transitions. Second operand has 22 states, 18 states have (on average 7.166666666666667) internal successors, (129), 18 states have internal predecessors, (129), 4 states have call successors, (65), 6 states have call predecessors, (65), 8 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2024-10-24 13:48:41,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:41,092 INFO L93 Difference]: Finished difference Result 4387 states and 6372 transitions. [2024-10-24 13:48:41,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-24 13:48:41,093 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 7.166666666666667) internal successors, (129), 18 states have internal predecessors, (129), 4 states have call successors, (65), 6 states have call predecessors, (65), 8 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) Word has length 267 [2024-10-24 13:48:41,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:41,106 INFO L225 Difference]: With dead ends: 4387 [2024-10-24 13:48:41,106 INFO L226 Difference]: Without dead ends: 2278 [2024-10-24 13:48:41,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 609 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=326, Invalid=1654, Unknown=0, NotChecked=0, Total=1980 [2024-10-24 13:48:41,114 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 455 mSDsluCounter, 4808 mSDsCounter, 0 mSdLazyCounter, 5643 mSolverCounterSat, 496 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 5310 SdHoareTripleChecker+Invalid, 6139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 496 IncrementalHoareTripleChecker+Valid, 5643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:41,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 5310 Invalid, 6139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [496 Valid, 5643 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-10-24 13:48:41,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-10-24 13:48:41,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2122. [2024-10-24 13:48:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2122 states, 1427 states have (on average 1.350385423966363) internal successors, (1927), 1444 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) [2024-10-24 13:48:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 3015 transitions. [2024-10-24 13:48:41,247 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 3015 transitions. Word has length 267 [2024-10-24 13:48:41,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:41,248 INFO L471 AbstractCegarLoop]: Abstraction has 2122 states and 3015 transitions. [2024-10-24 13:48:41,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 7.166666666666667) internal successors, (129), 18 states have internal predecessors, (129), 4 states have call successors, (65), 6 states have call predecessors, (65), 8 states have return successors, (51), 5 states have call predecessors, (51), 4 states have call successors, (51) [2024-10-24 13:48:41,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 3015 transitions. [2024-10-24 13:48:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-24 13:48:41,260 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:41,260 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] [2024-10-24 13:48:41,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 13:48:41,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:41,461 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:41,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:41,461 INFO L85 PathProgramCache]: Analyzing trace with hash -48730669, now seen corresponding path program 3 times [2024-10-24 13:48:41,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:41,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878648134] [2024-10-24 13:48:41,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:41,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:48:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 13:48:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-24 13:48:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 13:48:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 13:48:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:48:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 13:48:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-24 13:48:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-24 13:48:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 13:48:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-24 13:48:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-24 13:48:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 13:48:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 13:48:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-24 13:48:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 13:48:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 12 proven. 186 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-10-24 13:48:42,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:42,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878648134] [2024-10-24 13:48:42,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878648134] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:48:42,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292916722] [2024-10-24 13:48:42,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 13:48:42,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:42,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:48:42,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:48:42,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 13:48:43,709 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-24 13:48:43,709 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:48:43,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-24 13:48:43,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:48:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 300 proven. 6 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2024-10-24 13:48:43,819 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:48:44,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 192 proven. 6 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-10-24 13:48:44,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292916722] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:48:44,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:48:44,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2024-10-24 13:48:44,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456322593] [2024-10-24 13:48:44,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:48:44,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 13:48:44,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:44,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 13:48:44,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-10-24 13:48:44,192 INFO L87 Difference]: Start difference. First operand 2122 states and 3015 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, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2024-10-24 13:48:49,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:48:49,988 INFO L93 Difference]: Finished difference Result 4388 states and 6372 transitions. [2024-10-24 13:48:49,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 13:48:49,989 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, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) Word has length 277 [2024-10-24 13:48:49,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:48:50,000 INFO L225 Difference]: With dead ends: 4388 [2024-10-24 13:48:50,000 INFO L226 Difference]: Without dead ends: 2279 [2024-10-24 13:48:50,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=1586, Unknown=0, NotChecked=0, Total=1892 [2024-10-24 13:48:50,009 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 373 mSDsluCounter, 5462 mSDsCounter, 0 mSdLazyCounter, 6387 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 5965 SdHoareTripleChecker+Invalid, 6737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 6387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-10-24 13:48:50,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 5965 Invalid, 6737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 6387 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2024-10-24 13:48:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2024-10-24 13:48:50,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2123. [2024-10-24 13:48:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1428 states have (on average 1.350140056022409) internal successors, (1928), 1445 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) [2024-10-24 13:48:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3016 transitions. [2024-10-24 13:48:50,091 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3016 transitions. Word has length 277 [2024-10-24 13:48:50,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:48:50,092 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3016 transitions. [2024-10-24 13:48:50,092 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, (47), 5 states have call predecessors, (47), 4 states have call successors, (47) [2024-10-24 13:48:50,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3016 transitions. [2024-10-24 13:48:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-10-24 13:48:50,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:48:50,097 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] [2024-10-24 13:48:50,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 13:48:50,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:50,298 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:48:50,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:48:50,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1031569993, now seen corresponding path program 4 times [2024-10-24 13:48:50,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:48:50,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006680959] [2024-10-24 13:48:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:48:50,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:48:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:48:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:48:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:48:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:48:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:50,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-24 13:48:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 13:48:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 13:48:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 13:48:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 13:48:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 13:48:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 13:48:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-24 13:48:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 13:48:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-24 13:48:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 13:48:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 13:48:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-24 13:48:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 13:48:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:48:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 13:48:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:48:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:48:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 14 proven. 271 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2024-10-24 13:48:51,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:48:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006680959] [2024-10-24 13:48:51,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006680959] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:48:51,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119684340] [2024-10-24 13:48:51,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-24 13:48:51,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:48:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:48:51,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:48:51,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 13:48:53,161 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-24 13:48:53,161 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:48:53,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-24 13:48:53,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:48:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 997 proven. 16 refuted. 0 times theorem prover too weak. 834 trivial. 0 not checked. [2024-10-24 13:48:53,350 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:48:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 188 proven. 97 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2024-10-24 13:48:53,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119684340] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:48:53,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:48:53,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2024-10-24 13:48:53,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681828920] [2024-10-24 13:48:53,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:48:53,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 13:48:53,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:48:53,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 13:48:53,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2024-10-24 13:48:53,811 INFO L87 Difference]: Start difference. First operand 2123 states and 3016 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) [2024-10-24 13:49:00,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:49:00,480 INFO L93 Difference]: Finished difference Result 4394 states and 6380 transitions. [2024-10-24 13:49:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 13:49:00,481 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 [2024-10-24 13:49:00,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:49:00,493 INFO L225 Difference]: With dead ends: 4394 [2024-10-24 13:49:00,493 INFO L226 Difference]: Without dead ends: 2287 [2024-10-24 13:49:00,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 648 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=309, Invalid=1583, Unknown=0, NotChecked=0, Total=1892 [2024-10-24 13:49:00,500 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 367 mSDsluCounter, 6266 mSDsCounter, 0 mSdLazyCounter, 7354 mSolverCounterSat, 329 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 6768 SdHoareTripleChecker+Invalid, 7683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 329 IncrementalHoareTripleChecker+Valid, 7354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-24 13:49:00,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 6768 Invalid, 7683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [329 Valid, 7354 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-10-24 13:49:00,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2024-10-24 13:49:00,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2131. [2024-10-24 13:49:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1435 states have (on average 1.349128919860627) internal successors, (1936), 1452 states have internal predecessors, (1936), 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) [2024-10-24 13:49:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 3024 transitions. [2024-10-24 13:49:00,651 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 3024 transitions. Word has length 287 [2024-10-24 13:49:00,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:49:00,652 INFO L471 AbstractCegarLoop]: Abstraction has 2131 states and 3024 transitions. [2024-10-24 13:49:00,652 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) [2024-10-24 13:49:00,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3024 transitions. [2024-10-24 13:49:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-24 13:49:00,658 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:49:00,659 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] [2024-10-24 13:49:00,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-24 13:49:00,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-24 13:49:00,860 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:49:00,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:49:00,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1854403561, now seen corresponding path program 5 times [2024-10-24 13:49:00,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:49:00,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133961417] [2024-10-24 13:49:00,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:49:00,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:49:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:49:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:49:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:49:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:49:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 13:49:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 13:49:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 13:49:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 13:49:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 13:49:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 13:49:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 13:49:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:01,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-24 13:49:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 13:49:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-24 13:49:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 13:49:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 13:49:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-24 13:49:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-24 13:49:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 13:49:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 16 proven. 351 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-10-24 13:49:02,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:49:02,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133961417] [2024-10-24 13:49:02,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133961417] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:49:02,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092867987] [2024-10-24 13:49:02,084 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-24 13:49:02,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:49:02,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:49:02,086 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:49:02,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 13:49:03,369 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-10-24 13:49:03,369 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 13:49:03,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 13:49:03,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 13:49:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 904 proven. 55 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2024-10-24 13:49:03,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 13:49:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 56 proven. 311 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-10-24 13:49:03,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092867987] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 13:49:03,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 13:49:03,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 26 [2024-10-24 13:49:03,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74423755] [2024-10-24 13:49:03,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 13:49:03,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-24 13:49:03,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 13:49:03,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-24 13:49:03,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2024-10-24 13:49:03,925 INFO L87 Difference]: Start difference. First operand 2131 states and 3024 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) [2024-10-24 13:49:10,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 13:49:10,769 INFO L93 Difference]: Finished difference Result 4404 states and 6384 transitions. [2024-10-24 13:49:10,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-24 13:49:10,770 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 [2024-10-24 13:49:10,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 13:49:10,781 INFO L225 Difference]: With dead ends: 4404 [2024-10-24 13:49:10,781 INFO L226 Difference]: Without dead ends: 2288 [2024-10-24 13:49:10,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 658 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=338, Invalid=1824, Unknown=0, NotChecked=0, Total=2162 [2024-10-24 13:49:10,787 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 467 mSDsluCounter, 6438 mSDsCounter, 0 mSdLazyCounter, 7400 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 6940 SdHoareTripleChecker+Invalid, 7889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 7400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-10-24 13:49:10,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 6940 Invalid, 7889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 7400 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-10-24 13:49:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2024-10-24 13:49:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 2132. [2024-10-24 13:49:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2132 states, 1436 states have (on average 1.3488857938718664) internal successors, (1937), 1453 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) [2024-10-24 13:49:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 3025 transitions. [2024-10-24 13:49:10,868 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 3025 transitions. Word has length 293 [2024-10-24 13:49:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 13:49:10,869 INFO L471 AbstractCegarLoop]: Abstraction has 2132 states and 3025 transitions. [2024-10-24 13:49:10,869 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) [2024-10-24 13:49:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 3025 transitions. [2024-10-24 13:49:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-10-24 13:49:10,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 13:49:10,874 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] [2024-10-24 13:49:10,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 13:49:11,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:49:11,075 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 13:49:11,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 13:49:11,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1385621577, now seen corresponding path program 6 times [2024-10-24 13:49:11,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 13:49:11,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608767437] [2024-10-24 13:49:11,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 13:49:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 13:49:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-24 13:49:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 13:49:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-24 13:49:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-24 13:49:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:11,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 13:49:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-24 13:49:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 13:49:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-24 13:49:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 13:49:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-24 13:49:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 13:49:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-24 13:49:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-24 13:49:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-24 13:49:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 13:49:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-24 13:49:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 13:49:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2024-10-24 13:49:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 13:49:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 13:49:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-24 13:49:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 13:49:12,257 INFO L134 CoverageAnalysis]: Checked inductivity of 2537 backedges. 18 proven. 442 refuted. 0 times theorem prover too weak. 2077 trivial. 0 not checked. [2024-10-24 13:49:12,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 13:49:12,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608767437] [2024-10-24 13:49:12,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608767437] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 13:49:12,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319695556] [2024-10-24 13:49:12,257 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-24 13:49:12,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 13:49:12,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 13:49:12,259 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 13:49:12,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process