./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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 15:27:58,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 15:27:58,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 15:27:58,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 15:27:58,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 15:27:58,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 15:27:58,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 15:27:58,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 15:27:58,765 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 15:27:58,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 15:27:58,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 15:27:58,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 15:27:58,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 15:27:58,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 15:27:58,767 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 15:27:58,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 15:27:58,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 15:27:58,768 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 15:27:58,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 15:27:58,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 15:27:58,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 15:27:58,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 15:27:58,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 15:27:58,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 15:27:58,773 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 15:27:58,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 15:27:58,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 15:27:58,773 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 15:27:58,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 15:27:58,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:27:58,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 15:27:58,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 15:27:58,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 15:27:58,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 15:27:58,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 15:27:58,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 15:27:58,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 15:27:58,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 15:27:58,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 15:27:58,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2024-10-14 15:27:58,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 15:27:59,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 15:27:59,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 15:27:59,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 15:27:59,032 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 15:27:59,033 INFO L431 ainManager$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 [2024-10-14 15:28:00,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 15:28:00,659 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 15:28:00,659 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 [2024-10-14 15:28:00,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269ac1e3/0ca7f496f53143ad99d0f0f3b5688d15/FLAGb096e825d [2024-10-14 15:28:00,700 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9269ac1e3/0ca7f496f53143ad99d0f0f3b5688d15 [2024-10-14 15:28:00,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 15:28:00,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 15:28:00,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 15:28:00,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 15:28:00,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 15:28:00,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:28:00" (1/1) ... [2024-10-14 15:28:00,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42cf5e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:00, skipping insertion in model container [2024-10-14 15:28:00,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 03:28:00" (1/1) ... [2024-10-14 15:28:00,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 15:28:01,706 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] [2024-10-14 15:28:01,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:28:01,767 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 15:28:01,856 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] [2024-10-14 15:28:01,858 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] [2024-10-14 15:28:01,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bsrq %1,%q0": "+r" (bitpos): "rm" (x)); [4182] [2024-10-14 15:28:02,059 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] [2024-10-14 15:28:02,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 15:28:02,176 INFO L204 MainTranslator]: Completed translation [2024-10-14 15:28:02,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02 WrapperNode [2024-10-14 15:28:02,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 15:28:02,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 15:28:02,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 15:28:02,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 15:28:02,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,337 INFO L138 Inliner]: procedures = 151, calls = 825, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1884 [2024-10-14 15:28:02,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 15:28:02,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 15:28:02,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 15:28:02,340 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 15:28:02,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,506 INFO L175 MemorySlicer]: Split 276 memory accesses to 11 slices as follows [2, 16, 3, 15, 2, 23, 1, 170, 12, 24, 8]. 62 percent of accesses are in the largest equivalence class. The 66 initializations are split as follows [2, 16, 3, 15, 0, 0, 0, 4, 0, 18, 8]. The 65 writes are split as follows [0, 0, 0, 0, 0, 16, 0, 42, 1, 6, 0]. [2024-10-14 15:28:02,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 15:28:02,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 15:28:02,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 15:28:02,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 15:28:02,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (1/1) ... [2024-10-14 15:28:02,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 15:28:02,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:28:02,661 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) [2024-10-14 15:28:02,675 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 [2024-10-14 15:28:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2024-10-14 15:28:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2024-10-14 15:28:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2024-10-14 15:28:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2024-10-14 15:28:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-14 15:28:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-14 15:28:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-14 15:28:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-14 15:28:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-14 15:28:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-14 15:28:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-14 15:28:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-14 15:28:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-14 15:28:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-14 15:28:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-14 15:28:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-14 15:28:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-14 15:28:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-10-14 15:28:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 15:28:02,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-10-14 15:28:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2024-10-14 15:28:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2024-10-14 15:28:02,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-10-14 15:28:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-10-14 15:28:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-10-14 15:28:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-10-14 15:28:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-10-14 15:28:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2024-10-14 15:28:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-10-14 15:28:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-10-14 15:28:02,725 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 15:28:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-10-14 15:28:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-10-14 15:28:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2024-10-14 15:28:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-14 15:28:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-14 15:28:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-14 15:28:02,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-14 15:28:02,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-14 15:28:02,728 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-14 15:28:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-14 15:28:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-14 15:28:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-14 15:28:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2024-10-14 15:28:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2024-10-14 15:28:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-10-14 15:28:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-10-14 15:28:02,729 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 15:28:02,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 15:28:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 15:28:02,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-10-14 15:28:02,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-10-14 15:28:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-10-14 15:28:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-10-14 15:28:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2024-10-14 15:28:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2024-10-14 15:28:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 15:28:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2024-10-14 15:28:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2024-10-14 15:28:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-10-14 15:28:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-10-14 15:28:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 15:28:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 15:28:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 15:28:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 15:28:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-14 15:28:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2024-10-14 15:28:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-10-14 15:28:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2024-10-14 15:28:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-14 15:28:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2024-10-14 15:28:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-10-14 15:28:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-10-14 15:28:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-14 15:28:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-14 15:28:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2024-10-14 15:28:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2024-10-14 15:28:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-14 15:28:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-14 15:28:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-10-14 15:28:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-10-14 15:28:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2024-10-14 15:28:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2024-10-14 15:28:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-10-14 15:28:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2024-10-14 15:28:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-14 15:28:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 15:28:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2024-10-14 15:28:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2024-10-14 15:28:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2024-10-14 15:28:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2024-10-14 15:28:03,184 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 15:28:03,187 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 15:28:03,325 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-10-14 15:28:04,734 INFO L? ?]: Removed 925 outVars from TransFormulas that were not future-live. [2024-10-14 15:28:04,734 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 15:28:04,877 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 15:28:04,877 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-14 15:28:04,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:28:04 BoogieIcfgContainer [2024-10-14 15:28:04,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 15:28:04,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 15:28:04,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 15:28:04,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 15:28:04,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 03:28:00" (1/3) ... [2024-10-14 15:28:04,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b11c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:28:04, skipping insertion in model container [2024-10-14 15:28:04,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 03:28:02" (2/3) ... [2024-10-14 15:28:04,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b11c65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 03:28:04, skipping insertion in model container [2024-10-14 15:28:04,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 03:28:04" (3/3) ... [2024-10-14 15:28:04,889 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2024-10-14 15:28:04,903 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 15:28:04,904 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 15:28:04,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 15:28:04,977 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;@4ad9ef7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 15:28:04,978 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 15:28:04,988 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) [2024-10-14 15:28:04,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 15:28:04,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:05,000 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] [2024-10-14 15:28:05,001 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:05,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash -830407841, now seen corresponding path program 1 times [2024-10-14 15:28:05,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:05,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486967457] [2024-10-14 15:28:05,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-14 15:28:05,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:05,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486967457] [2024-10-14 15:28:05,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486967457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:05,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:05,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 15:28:05,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052714928] [2024-10-14 15:28:05,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:05,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 15:28:05,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:05,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 15:28:05,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 15:28:05,793 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) [2024-10-14 15:28:08,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:08,043 INFO L93 Difference]: Finished difference Result 1170 states and 1743 transitions. [2024-10-14 15:28:08,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:28:08,045 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 [2024-10-14 15:28:08,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:08,062 INFO L225 Difference]: With dead ends: 1170 [2024-10-14 15:28:08,062 INFO L226 Difference]: Without dead ends: 590 [2024-10-14 15:28:08,069 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 [2024-10-14 15:28:08,072 INFO L432 NwaCegarLoop]: 532 mSDtfsCounter, 319 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:08,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1356 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 15:28:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-10-14 15:28:08,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 567. [2024-10-14 15:28:08,154 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) [2024-10-14 15:28:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 808 transitions. [2024-10-14 15:28:08,161 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 808 transitions. Word has length 152 [2024-10-14 15:28:08,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:08,161 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 808 transitions. [2024-10-14 15:28:08,162 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) [2024-10-14 15:28:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 808 transitions. [2024-10-14 15:28:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 15:28:08,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:08,166 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] [2024-10-14 15:28:08,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 15:28:08,167 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:08,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:08,167 INFO L85 PathProgramCache]: Analyzing trace with hash 577026917, now seen corresponding path program 1 times [2024-10-14 15:28:08,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:08,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642557424] [2024-10-14 15:28:08,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:08,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-10-14 15:28:08,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:08,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642557424] [2024-10-14 15:28:08,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642557424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:08,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:08,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:28:08,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358944687] [2024-10-14 15:28:08,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:08,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:28:08,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:08,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:28:08,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:28:08,669 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) [2024-10-14 15:28:11,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:11,294 INFO L93 Difference]: Finished difference Result 1649 states and 2419 transitions. [2024-10-14 15:28:11,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:28:11,295 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 [2024-10-14 15:28:11,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:11,302 INFO L225 Difference]: With dead ends: 1649 [2024-10-14 15:28:11,303 INFO L226 Difference]: Without dead ends: 1118 [2024-10-14 15:28:11,305 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 [2024-10-14 15:28:11,306 INFO L432 NwaCegarLoop]: 518 mSDtfsCounter, 1163 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1312 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, 2.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:11,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1312 Valid, 1710 Invalid, 2226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-14 15:28:11,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1118 states. [2024-10-14 15:28:11,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1118 to 1073. [2024-10-14 15:28:11,383 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) [2024-10-14 15:28:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1533 transitions. [2024-10-14 15:28:11,391 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1533 transitions. Word has length 152 [2024-10-14 15:28:11,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:11,393 INFO L471 AbstractCegarLoop]: Abstraction has 1073 states and 1533 transitions. [2024-10-14 15:28:11,393 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) [2024-10-14 15:28:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1533 transitions. [2024-10-14 15:28:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-14 15:28:11,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:11,399 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] [2024-10-14 15:28:11,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 15:28:11,400 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:11,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:11,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1670316927, now seen corresponding path program 1 times [2024-10-14 15:28:11,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:11,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929549013] [2024-10-14 15:28:11,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:11,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:28:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:11,732 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2024-10-14 15:28:11,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:11,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929549013] [2024-10-14 15:28:11,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929549013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:11,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:11,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:28:11,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362127220] [2024-10-14 15:28:11,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:11,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:28:11,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:11,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:28:11,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:28:11,736 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) [2024-10-14 15:28:13,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:13,943 INFO L93 Difference]: Finished difference Result 2151 states and 3137 transitions. [2024-10-14 15:28:13,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:28:13,944 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 [2024-10-14 15:28:13,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:13,950 INFO L225 Difference]: With dead ends: 2151 [2024-10-14 15:28:13,951 INFO L226 Difference]: Without dead ends: 1114 [2024-10-14 15:28:13,956 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 [2024-10-14 15:28:13,959 INFO L432 NwaCegarLoop]: 514 mSDtfsCounter, 922 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 1311 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:13,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1067 Valid, 1311 Invalid, 1543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-14 15:28:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-10-14 15:28:14,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1072. [2024-10-14 15:28:14,014 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) [2024-10-14 15:28:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1529 transitions. [2024-10-14 15:28:14,021 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1529 transitions. Word has length 163 [2024-10-14 15:28:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:14,022 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1529 transitions. [2024-10-14 15:28:14,022 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) [2024-10-14 15:28:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1529 transitions. [2024-10-14 15:28:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-14 15:28:14,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:14,026 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] [2024-10-14 15:28:14,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 15:28:14,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:14,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash -257742628, now seen corresponding path program 1 times [2024-10-14 15:28:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:14,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276828335] [2024-10-14 15:28:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:14,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:14,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:28:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 15:28:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 15:28:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 15:28:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2024-10-14 15:28:14,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276828335] [2024-10-14 15:28:14,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276828335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:14,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:14,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:28:14,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946072119] [2024-10-14 15:28:14,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:14,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:28:14,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:14,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:28:14,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:28:14,519 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) [2024-10-14 15:28:17,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:17,156 INFO L93 Difference]: Finished difference Result 3221 states and 4717 transitions. [2024-10-14 15:28:17,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:28:17,157 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 [2024-10-14 15:28:17,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:17,168 INFO L225 Difference]: With dead ends: 3221 [2024-10-14 15:28:17,168 INFO L226 Difference]: Without dead ends: 2183 [2024-10-14 15:28:17,172 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 [2024-10-14 15:28:17,175 INFO L432 NwaCegarLoop]: 526 mSDtfsCounter, 1183 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:17,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 1714 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-14 15:28:17,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-14 15:28:17,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2099. [2024-10-14 15:28:17,254 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) [2024-10-14 15:28:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2997 transitions. [2024-10-14 15:28:17,266 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2997 transitions. Word has length 211 [2024-10-14 15:28:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:17,267 INFO L471 AbstractCegarLoop]: Abstraction has 2099 states and 2997 transitions. [2024-10-14 15:28:17,268 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) [2024-10-14 15:28:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2997 transitions. [2024-10-14 15:28:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-14 15:28:17,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:17,276 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] [2024-10-14 15:28:17,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 15:28:17,276 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:17,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:17,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1716832236, now seen corresponding path program 1 times [2024-10-14 15:28:17,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:17,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981457032] [2024-10-14 15:28:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:17,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:17,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:28:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 15:28:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 15:28:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 15:28:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-14 15:28:17,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981457032] [2024-10-14 15:28:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981457032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 15:28:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370740373] [2024-10-14 15:28:17,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:17,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:28:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:17,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:28:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 15:28:17,670 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) [2024-10-14 15:28:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:19,620 INFO L93 Difference]: Finished difference Result 4246 states and 6183 transitions. [2024-10-14 15:28:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 15:28:19,621 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 [2024-10-14 15:28:19,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:19,635 INFO L225 Difference]: With dead ends: 4246 [2024-10-14 15:28:19,635 INFO L226 Difference]: Without dead ends: 2183 [2024-10-14 15:28:19,644 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 [2024-10-14 15:28:19,645 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 322 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 1535 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1716 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:19,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1716 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1535 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-14 15:28:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2024-10-14 15:28:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 2103. [2024-10-14 15:28:19,786 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) [2024-10-14 15:28:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 3001 transitions. [2024-10-14 15:28:19,798 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 3001 transitions. Word has length 231 [2024-10-14 15:28:19,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:19,799 INFO L471 AbstractCegarLoop]: Abstraction has 2103 states and 3001 transitions. [2024-10-14 15:28:19,799 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) [2024-10-14 15:28:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 3001 transitions. [2024-10-14 15:28:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-10-14 15:28:19,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:19,806 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] [2024-10-14 15:28:19,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 15:28:19,807 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:19,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:19,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1130026222, now seen corresponding path program 1 times [2024-10-14 15:28:19,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:19,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883742841] [2024-10-14 15:28:19,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:19,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:28:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 15:28:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 15:28:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 15:28:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-14 15:28:20,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:20,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883742841] [2024-10-14 15:28:20,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883742841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:20,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:20,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 15:28:20,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370925394] [2024-10-14 15:28:20,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:20,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 15:28:20,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:20,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 15:28:20,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 15:28:20,671 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) [2024-10-14 15:28:23,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:23,126 INFO L93 Difference]: Finished difference Result 3225 states and 4719 transitions. [2024-10-14 15:28:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 15:28:23,126 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 [2024-10-14 15:28:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:23,139 INFO L225 Difference]: With dead ends: 3225 [2024-10-14 15:28:23,139 INFO L226 Difference]: Without dead ends: 2187 [2024-10-14 15:28:23,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-14 15:28:23,145 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 402 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 1652 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:23,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1867 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1652 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 15:28:23,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2024-10-14 15:28:23,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2107. [2024-10-14 15:28:23,232 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) [2024-10-14 15:28:23,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3005 transitions. [2024-10-14 15:28:23,242 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3005 transitions. Word has length 231 [2024-10-14 15:28:23,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:23,242 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 3005 transitions. [2024-10-14 15:28:23,243 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) [2024-10-14 15:28:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3005 transitions. [2024-10-14 15:28:23,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2024-10-14 15:28:23,249 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:23,249 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] [2024-10-14 15:28:23,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 15:28:23,250 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:23,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:23,250 INFO L85 PathProgramCache]: Analyzing trace with hash -978778132, now seen corresponding path program 1 times [2024-10-14 15:28:23,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:23,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901232545] [2024-10-14 15:28:23,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:28:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 15:28:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 15:28:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 15:28:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 15:28:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-14 15:28:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2024-10-14 15:28:23,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:23,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901232545] [2024-10-14 15:28:23,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901232545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:23,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 15:28:23,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 15:28:23,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284399284] [2024-10-14 15:28:23,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:23,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 15:28:23,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:23,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 15:28:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 15:28:23,776 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) [2024-10-14 15:28:26,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:26,565 INFO L93 Difference]: Finished difference Result 4362 states and 6431 transitions. [2024-10-14 15:28:26,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 15:28:26,566 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 [2024-10-14 15:28:26,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:26,579 INFO L225 Difference]: With dead ends: 4362 [2024-10-14 15:28:26,580 INFO L226 Difference]: Without dead ends: 2267 [2024-10-14 15:28:26,590 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 [2024-10-14 15:28:26,590 INFO L432 NwaCegarLoop]: 520 mSDtfsCounter, 553 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 1925 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 2152 SdHoareTripleChecker+Invalid, 2564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 1925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:26,590 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 2152 Invalid, 2564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [639 Valid, 1925 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-14 15:28:26,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2024-10-14 15:28:26,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2107. [2024-10-14 15:28:26,684 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) [2024-10-14 15:28:26,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 3001 transitions. [2024-10-14 15:28:26,702 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 3001 transitions. Word has length 244 [2024-10-14 15:28:26,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:26,703 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 3001 transitions. [2024-10-14 15:28:26,703 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) [2024-10-14 15:28:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 3001 transitions. [2024-10-14 15:28:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-10-14 15:28:26,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:26,709 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] [2024-10-14 15:28:26,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 15:28:26,709 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:26,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:26,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1403859017, now seen corresponding path program 1 times [2024-10-14 15:28:26,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:26,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512525786] [2024-10-14 15:28:26,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:26,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-14 15:28:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 15:28:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 15:28:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 15:28:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 15:28:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-14 15:28:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-14 15:28:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 15:28:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 15:28:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 15:28:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 15:28:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-14 15:28:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2024-10-14 15:28:27,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:27,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512525786] [2024-10-14 15:28:27,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512525786] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:28:27,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236343722] [2024-10-14 15:28:27,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:27,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:28:27,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:28:27,613 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) [2024-10-14 15:28:27,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 15:28:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:28,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 1864 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-14 15:28:28,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:28:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2024-10-14 15:28:28,305 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 15:28:28,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236343722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 15:28:28,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 15:28:28,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2024-10-14 15:28:28,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899840306] [2024-10-14 15:28:28,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 15:28:28,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 15:28:28,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:28,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 15:28:28,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-14 15:28:28,307 INFO L87 Difference]: Start difference. First operand 2107 states and 3001 transitions. Second operand has 6 states, 4 states have (on average 21.75) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-10-14 15:28:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:29,417 INFO L93 Difference]: Finished difference Result 4210 states and 6005 transitions. [2024-10-14 15:28:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 15:28:29,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 21.75) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 246 [2024-10-14 15:28:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:29,431 INFO L225 Difference]: With dead ends: 4210 [2024-10-14 15:28:29,431 INFO L226 Difference]: Without dead ends: 2108 [2024-10-14 15:28:29,441 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 [2024-10-14 15:28:29,442 INFO L432 NwaCegarLoop]: 725 mSDtfsCounter, 2 mSDsluCounter, 2874 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3599 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:29,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3599 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 15:28:29,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-10-14 15:28:29,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2108. [2024-10-14 15:28:29,521 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) [2024-10-14 15:28:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3002 transitions. [2024-10-14 15:28:29,533 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3002 transitions. Word has length 246 [2024-10-14 15:28:29,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:29,533 INFO L471 AbstractCegarLoop]: Abstraction has 2108 states and 3002 transitions. [2024-10-14 15:28:29,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 21.75) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2024-10-14 15:28:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3002 transitions. [2024-10-14 15:28:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-14 15:28:29,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:29,539 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] [2024-10-14 15:28:29,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 15:28:29,743 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 [2024-10-14 15:28:29,744 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:29,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:29,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1872470827, now seen corresponding path program 1 times [2024-10-14 15:28:29,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:29,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420422231] [2024-10-14 15:28:29,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:29,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:28:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-14 15:28:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 15:28:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 15:28:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-14 15:28:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 15:28:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 15:28:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 15:28:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 15:28:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 15:28:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 15:28:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 15:28:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 15:28:30,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 15:28:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 15:28:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 15:28:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:30,593 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-10-14 15:28:30,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:30,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420422231] [2024-10-14 15:28:30,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420422231] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:28:30,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612127947] [2024-10-14 15:28:30,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:30,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:28:30,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:28:30,596 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) [2024-10-14 15:28:30,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 15:28:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:31,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-14 15:28:31,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:28:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 295 proven. 1 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-10-14 15:28:31,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 15:28:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 752 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2024-10-14 15:28:31,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612127947] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 15:28:31,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 15:28:31,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2024-10-14 15:28:31,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130243472] [2024-10-14 15:28:31,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 15:28:31,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 15:28:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:31,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 15:28:31,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-10-14 15:28:31,913 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) [2024-10-14 15:28:37,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:37,184 INFO L93 Difference]: Finished difference Result 4377 states and 6368 transitions. [2024-10-14 15:28:37,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 15:28:37,185 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 [2024-10-14 15:28:37,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:37,201 INFO L225 Difference]: With dead ends: 4377 [2024-10-14 15:28:37,201 INFO L226 Difference]: Without dead ends: 2277 [2024-10-14 15:28:37,209 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 [2024-10-14 15:28:37,211 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 449 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 4703 mSolverCounterSat, 485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 4529 SdHoareTripleChecker+Invalid, 5188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 485 IncrementalHoareTripleChecker+Valid, 4703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:37,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 4529 Invalid, 5188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [485 Valid, 4703 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-14 15:28:37,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2024-10-14 15:28:37,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2121. [2024-10-14 15:28:37,328 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) [2024-10-14 15:28:37,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 3015 transitions. [2024-10-14 15:28:37,344 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 3015 transitions. Word has length 257 [2024-10-14 15:28:37,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:37,344 INFO L471 AbstractCegarLoop]: Abstraction has 2121 states and 3015 transitions. [2024-10-14 15:28:37,345 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) [2024-10-14 15:28:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 3015 transitions. [2024-10-14 15:28:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-10-14 15:28:37,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:37,354 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] [2024-10-14 15:28:37,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 15:28:37,554 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 [2024-10-14 15:28:37,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:37,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:37,556 INFO L85 PathProgramCache]: Analyzing trace with hash 783698895, now seen corresponding path program 2 times [2024-10-14 15:28:37,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:37,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182072651] [2024-10-14 15:28:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:37,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:28:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 15:28:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 15:28:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 15:28:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 15:28:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 15:28:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 15:28:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-14 15:28:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-14 15:28:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 15:28:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 15:28:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 15:28:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 15:28:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 15:28:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-10-14 15:28:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-14 15:28:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 10 proven. 120 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-10-14 15:28:38,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182072651] [2024-10-14 15:28:38,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182072651] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:28:38,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87972363] [2024-10-14 15:28:38,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 15:28:38,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:28:38,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:28:38,833 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) [2024-10-14 15:28:38,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 15:28:40,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 15:28:40,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 15:28:40,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 2179 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-10-14 15:28:40,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:28:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 585 proven. 71 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-10-14 15:28:40,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 15:28:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 75 proven. 55 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-10-14 15:28:41,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87972363] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 15:28:41,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 15:28:41,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 8] total 23 [2024-10-14 15:28:41,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400341304] [2024-10-14 15:28:41,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 15:28:41,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-14 15:28:41,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:41,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-14 15:28:41,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-10-14 15:28:41,032 INFO L87 Difference]: Start difference. First operand 2121 states and 3015 transitions. Second operand has 23 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2024-10-14 15:28:47,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:47,761 INFO L93 Difference]: Finished difference Result 4387 states and 6372 transitions. [2024-10-14 15:28:47,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 15:28:47,762 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) Word has length 267 [2024-10-14 15:28:47,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:47,774 INFO L225 Difference]: With dead ends: 4387 [2024-10-14 15:28:47,774 INFO L226 Difference]: Without dead ends: 2278 [2024-10-14 15:28:47,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 651 GetRequests, 610 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=291, Invalid=1515, Unknown=0, NotChecked=0, Total=1806 [2024-10-14 15:28:47,783 INFO L432 NwaCegarLoop]: 502 mSDtfsCounter, 465 mSDsluCounter, 5221 mSDsCounter, 0 mSdLazyCounter, 5896 mSolverCounterSat, 528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 5723 SdHoareTripleChecker+Invalid, 6424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 528 IncrementalHoareTripleChecker+Valid, 5896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:47,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 5723 Invalid, 6424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [528 Valid, 5896 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-10-14 15:28:47,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2024-10-14 15:28:47,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2122. [2024-10-14 15:28:47,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2122 states, 1427 states have (on average 1.3510861948142958) internal successors, (1928), 1444 states have internal predecessors, (1928), 545 states have call successors, (545), 150 states have call predecessors, (545), 149 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-14 15:28:47,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 2122 states and 3016 transitions. [2024-10-14 15:28:47,896 INFO L78 Accepts]: Start accepts. Automaton has 2122 states and 3016 transitions. Word has length 267 [2024-10-14 15:28:47,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:47,900 INFO L471 AbstractCegarLoop]: Abstraction has 2122 states and 3016 transitions. [2024-10-14 15:28:47,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 6.947368421052632) internal successors, (132), 19 states have internal predecessors, (132), 4 states have call successors, (63), 6 states have call predecessors, (63), 9 states have return successors, (50), 6 states have call predecessors, (50), 4 states have call successors, (50) [2024-10-14 15:28:47,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 3016 transitions. [2024-10-14 15:28:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-10-14 15:28:47,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:47,906 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] [2024-10-14 15:28:47,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 15:28:48,107 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 [2024-10-14 15:28:48,107 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:48,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1562696171, now seen corresponding path program 3 times [2024-10-14 15:28:48,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:48,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716748464] [2024-10-14 15:28:48,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:28:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-14 15:28:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 15:28:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 15:28:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 15:28:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 15:28:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 15:28:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-14 15:28:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-10-14 15:28:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 15:28:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 15:28:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 15:28:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 15:28:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-14 15:28:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 15:28:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-14 15:28:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 12 proven. 186 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-10-14 15:28:49,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:49,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716748464] [2024-10-14 15:28:49,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716748464] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:28:49,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003458083] [2024-10-14 15:28:49,221 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 15:28:49,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:28:49,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:28:49,222 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) [2024-10-14 15:28:49,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 15:28:50,503 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-14 15:28:50,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 15:28:50,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 1539 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-10-14 15:28:50,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:28:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 308 proven. 6 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-10-14 15:28:50,629 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 15:28:51,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 192 proven. 6 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-10-14 15:28:51,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003458083] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 15:28:51,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 15:28:51,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2024-10-14 15:28:51,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009438566] [2024-10-14 15:28:51,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 15:28:51,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 15:28:51,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:28:51,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 15:28:51,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2024-10-14 15:28:51,021 INFO L87 Difference]: Start difference. First operand 2122 states and 3016 transitions. Second operand has 24 states, 20 states have (on average 6.5) internal successors, (130), 20 states have internal predecessors, (130), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2024-10-14 15:28:57,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:28:57,412 INFO L93 Difference]: Finished difference Result 4389 states and 6374 transitions. [2024-10-14 15:28:57,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 15:28:57,412 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 6.5) internal successors, (130), 20 states have internal predecessors, (130), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) Word has length 277 [2024-10-14 15:28:57,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:28:57,425 INFO L225 Difference]: With dead ends: 4389 [2024-10-14 15:28:57,426 INFO L226 Difference]: Without dead ends: 2279 [2024-10-14 15:28:57,433 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 [2024-10-14 15:28:57,434 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 565 mSDsluCounter, 5634 mSDsCounter, 0 mSdLazyCounter, 6453 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 6137 SdHoareTripleChecker+Invalid, 7123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 6453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-10-14 15:28:57,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 6137 Invalid, 7123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 6453 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-10-14 15:28:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2024-10-14 15:28:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 2123. [2024-10-14 15:28:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2123 states, 1428 states have (on average 1.3508403361344539) internal successors, (1929), 1445 states have internal predecessors, (1929), 545 states have call successors, (545), 150 states have call predecessors, (545), 149 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-14 15:28:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 2123 states and 3017 transitions. [2024-10-14 15:28:57,524 INFO L78 Accepts]: Start accepts. Automaton has 2123 states and 3017 transitions. Word has length 277 [2024-10-14 15:28:57,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:28:57,524 INFO L471 AbstractCegarLoop]: Abstraction has 2123 states and 3017 transitions. [2024-10-14 15:28:57,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 6.5) internal successors, (130), 20 states have internal predecessors, (130), 4 states have call successors, (58), 6 states have call predecessors, (58), 7 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2024-10-14 15:28:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 3017 transitions. [2024-10-14 15:28:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2024-10-14 15:28:57,530 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:28:57,530 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] [2024-10-14 15:28:57,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 15:28:57,731 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 [2024-10-14 15:28:57,731 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:28:57,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:28:57,732 INFO L85 PathProgramCache]: Analyzing trace with hash -254874481, now seen corresponding path program 4 times [2024-10-14 15:28:57,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:28:57,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560340467] [2024-10-14 15:28:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:28:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:28:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:28:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:28:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:28:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:28:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-14 15:28:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 15:28:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 15:28:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 15:28:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 15:28:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 15:28:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 15:28:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 15:28:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-14 15:28:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 15:28:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 15:28:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 15:28:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 15:28:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 15:28:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:28:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 15:28:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:28:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:28:58,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 14 proven. 271 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2024-10-14 15:28:58,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:28:58,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560340467] [2024-10-14 15:28:58,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560340467] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:28:58,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329192878] [2024-10-14 15:28:58,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-14 15:28:58,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:28:58,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:28:58,936 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) [2024-10-14 15:28:58,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 15:29:01,807 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-14 15:29:01,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 15:29:01,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-10-14 15:29:01,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 15:29:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 995 proven. 15 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-10-14 15:29:02,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 15:29:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1847 backedges. 188 proven. 97 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2024-10-14 15:29:02,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329192878] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 15:29:02,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 15:29:02,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2024-10-14 15:29:02,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946738970] [2024-10-14 15:29:02,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 15:29:02,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-14 15:29:02,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 15:29:02,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-14 15:29:02,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2024-10-14 15:29:02,536 INFO L87 Difference]: Start difference. First operand 2123 states and 3017 transitions. Second operand has 24 states, 20 states have (on average 6.6) internal successors, (132), 20 states have internal predecessors, (132), 4 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2024-10-14 15:29:08,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 15:29:08,652 INFO L93 Difference]: Finished difference Result 4395 states and 6383 transitions. [2024-10-14 15:29:08,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-14 15:29:08,652 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 [2024-10-14 15:29:08,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 15:29:08,670 INFO L225 Difference]: With dead ends: 4395 [2024-10-14 15:29:08,670 INFO L226 Difference]: Without dead ends: 2287 [2024-10-14 15:29:08,677 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 696 GetRequests, 649 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=344, Invalid=1912, Unknown=0, NotChecked=0, Total=2256 [2024-10-14 15:29:08,677 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 460 mSDsluCounter, 5221 mSDsCounter, 0 mSdLazyCounter, 6205 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 5724 SdHoareTripleChecker+Invalid, 6694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 6205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2024-10-14 15:29:08,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 5724 Invalid, 6694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 6205 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2024-10-14 15:29:08,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2024-10-14 15:29:08,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2131. [2024-10-14 15:29:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2131 states, 1435 states have (on average 1.3498257839721255) internal successors, (1937), 1452 states have internal predecessors, (1937), 545 states have call successors, (545), 151 states have call predecessors, (545), 150 states have return successors, (543), 539 states have call predecessors, (543), 543 states have call successors, (543) [2024-10-14 15:29:08,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 3025 transitions. [2024-10-14 15:29:08,772 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 3025 transitions. Word has length 287 [2024-10-14 15:29:08,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 15:29:08,772 INFO L471 AbstractCegarLoop]: Abstraction has 2131 states and 3025 transitions. [2024-10-14 15:29:08,772 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) [2024-10-14 15:29:08,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 3025 transitions. [2024-10-14 15:29:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-10-14 15:29:08,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 15:29:08,778 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] [2024-10-14 15:29:08,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 15:29:08,978 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 [2024-10-14 15:29:08,979 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 15:29:08,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 15:29:08,979 INFO L85 PathProgramCache]: Analyzing trace with hash 284396999, now seen corresponding path program 5 times [2024-10-14 15:29:08,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 15:29:08,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704610322] [2024-10-14 15:29:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 15:29:08,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 15:29:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-14 15:29:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 15:29:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 15:29:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 15:29:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:09,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 15:29:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 15:29:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 15:29:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-14 15:29:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 15:29:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 15:29:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 15:29:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 15:29:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 15:29:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 15:29:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 15:29:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 15:29:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 15:29:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 15:29:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 15:29:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-14 15:29:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-14 15:29:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 15:29:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2174 backedges. 16 proven. 351 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-10-14 15:29:10,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 15:29:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704610322] [2024-10-14 15:29:10,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704610322] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 15:29:10,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096495610] [2024-10-14 15:29:10,309 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-14 15:29:10,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 15:29:10,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 15:29:10,311 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) [2024-10-14 15:29:10,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process