./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.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 34ead930b8137fdc7abb50622ed73bdb27f2c7ae71d0ef3b9d44cfc9bee95799 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 04:00:30,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 04:00:30,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 04:00:30,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 04:00:30,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 04:00:30,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 04:00:30,929 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 04:00:30,929 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 04:00:30,929 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 04:00:30,930 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 04:00:30,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 04:00:30,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 04:00:30,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 04:00:30,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 04:00:30,934 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 04:00:30,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 04:00:30,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 04:00:30,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 04:00:30,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 04:00:30,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 04:00:30,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 04:00:30,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 04:00:30,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 04:00:30,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 04:00:30,942 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 04:00:30,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 04:00:30,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 04:00:30,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 04:00:30,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 04:00:30,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:00:30,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 04:00:30,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 04:00:30,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 04:00:30,944 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 04:00:30,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 04:00:30,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 04:00:30,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 04:00:30,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 04:00:30,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 04:00:30,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ead930b8137fdc7abb50622ed73bdb27f2c7ae71d0ef3b9d44cfc9bee95799 [2024-11-19 04:00:31,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 04:00:31,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 04:00:31,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 04:00:31,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 04:00:31,230 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 04:00:31,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2024-11-19 04:00:32,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 04:00:33,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 04:00:33,290 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2024-11-19 04:00:33,324 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2942770e/21aca1b00c9b4faea284d8613ec7395e/FLAG570a5770e [2024-11-19 04:00:33,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2942770e/21aca1b00c9b4faea284d8613ec7395e [2024-11-19 04:00:33,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 04:00:33,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 04:00:33,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 04:00:33,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 04:00:33,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 04:00:33,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:33" (1/1) ... [2024-11-19 04:00:33,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269aa88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:33, skipping insertion in model container [2024-11-19 04:00:33,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:33" (1/1) ... [2024-11-19 04:00:33,426 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 04:00:34,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2024-11-19 04:00:34,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:00:34,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 04:00:34,611 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2024-11-19 04:00:34,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 04:00:34,670 INFO L204 MainTranslator]: Completed translation [2024-11-19 04:00:34,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34 WrapperNode [2024-11-19 04:00:34,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 04:00:34,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 04:00:34,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 04:00:34,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 04:00:34,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:34,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:34,798 INFO L138 Inliner]: procedures = 138, calls = 863, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1896 [2024-11-19 04:00:34,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 04:00:34,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 04:00:34,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 04:00:34,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 04:00:34,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:34,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:34,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:34,948 INFO L175 MemorySlicer]: Split 383 memory accesses to 16 slices as follows [6, 2, 23, 77, 172, 12, 12, 29, 1, 2, 5, 13, 3, 1, 17, 8]. 45 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [0, 2, 0, 0, 4, 0, 12, 0, 0, 0, 0, 0, 0, 0, 0, 8]. The 231 writes are split as follows [1, 0, 23, 77, 60, 12, 0, 29, 1, 2, 3, 12, 2, 1, 8, 0]. [2024-11-19 04:00:34,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:34,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:35,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:35,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:35,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:35,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:35,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 04:00:35,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 04:00:35,068 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 04:00:35,068 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 04:00:35,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (1/1) ... [2024-11-19 04:00:35,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 04:00:35,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:00:35,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 04:00:35,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 04:00:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 04:00:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 04:00:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 04:00:35,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 04:00:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 04:00:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 04:00:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 04:00:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 04:00:35,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 04:00:35,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-19 04:00:35,173 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 04:00:35,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 04:00:35,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 04:00:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 04:00:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 04:00:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 04:00:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 04:00:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 04:00:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-19 04:00:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-19 04:00:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 04:00:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 04:00:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 04:00:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 04:00:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 04:00:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 04:00:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 04:00:35,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 04:00:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 04:00:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 04:00:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 04:00:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 04:00:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-19 04:00:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 04:00:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 04:00:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 04:00:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 04:00:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 04:00:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 04:00:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 04:00:35,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-19 04:00:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2024-11-19 04:00:35,182 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2024-11-19 04:00:35,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 04:00:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 04:00:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 04:00:35,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 04:00:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 04:00:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 04:00:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-19 04:00:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 04:00:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-19 04:00:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2024-11-19 04:00:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure up [2024-11-19 04:00:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 04:00:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-19 04:00:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-19 04:00:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 04:00:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 04:00:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 04:00:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 04:00:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 04:00:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 04:00:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 04:00:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 04:00:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 04:00:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 04:00:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 04:00:35,191 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 04:00:35,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-19 04:00:35,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 04:00:35,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 04:00:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 04:00:35,193 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2024-11-19 04:00:35,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2024-11-19 04:00:35,592 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 04:00:35,595 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 04:00:35,613 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 04:00:42,027 INFO L? ?]: Removed 668 outVars from TransFormulas that were not future-live. [2024-11-19 04:00:42,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 04:00:42,052 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 04:00:42,055 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 04:00:42,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:42 BoogieIcfgContainer [2024-11-19 04:00:42,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 04:00:42,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 04:00:42,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 04:00:42,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 04:00:42,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:00:33" (1/3) ... [2024-11-19 04:00:42,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68449269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:00:42, skipping insertion in model container [2024-11-19 04:00:42,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:34" (2/3) ... [2024-11-19 04:00:42,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68449269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:00:42, skipping insertion in model container [2024-11-19 04:00:42,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:42" (3/3) ... [2024-11-19 04:00:42,064 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2024-11-19 04:00:42,077 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 04:00:42,078 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 04:00:42,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 04:00:42,151 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;@179f2d9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 04:00:42,152 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 04:00:42,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 461 states, 357 states have (on average 1.403361344537815) internal successors, (501), 365 states have internal predecessors, (501), 75 states have call successors, (75), 28 states have call predecessors, (75), 27 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-19 04:00:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-19 04:00:42,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:42,188 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:42,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:42,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:42,193 INFO L85 PathProgramCache]: Analyzing trace with hash 974843067, now seen corresponding path program 1 times [2024-11-19 04:00:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:42,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178662692] [2024-11-19 04:00:42,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:42,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:00:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:00:44,118 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-19 04:00:44,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:00:44,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178662692] [2024-11-19 04:00:44,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178662692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:00:44,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:00:44,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 04:00:44,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651519488] [2024-11-19 04:00:44,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:00:44,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 04:00:44,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:00:44,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 04:00:44,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 04:00:44,156 INFO L87 Difference]: Start difference. First operand has 461 states, 357 states have (on average 1.403361344537815) internal successors, (501), 365 states have internal predecessors, (501), 75 states have call successors, (75), 28 states have call predecessors, (75), 27 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 04:00:44,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:00:44,213 INFO L93 Difference]: Finished difference Result 898 states and 1279 transitions. [2024-11-19 04:00:44,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 04:00:44,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 184 [2024-11-19 04:00:44,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:00:44,233 INFO L225 Difference]: With dead ends: 898 [2024-11-19 04:00:44,233 INFO L226 Difference]: Without dead ends: 443 [2024-11-19 04:00:44,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 04:00:44,242 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:00:44,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:00:44,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-11-19 04:00:44,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2024-11-19 04:00:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 345 states have (on average 1.3768115942028984) internal successors, (475), 348 states have internal predecessors, (475), 71 states have call successors, (71), 27 states have call predecessors, (71), 26 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-19 04:00:44,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 616 transitions. [2024-11-19 04:00:44,306 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 616 transitions. Word has length 184 [2024-11-19 04:00:44,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:00:44,308 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 616 transitions. [2024-11-19 04:00:44,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.0) internal successors, (86), 2 states have internal predecessors, (86), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 04:00:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 616 transitions. [2024-11-19 04:00:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-19 04:00:44,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:44,313 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:44,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 04:00:44,314 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:44,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:44,314 INFO L85 PathProgramCache]: Analyzing trace with hash -61015520, now seen corresponding path program 1 times [2024-11-19 04:00:44,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:44,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758304672] [2024-11-19 04:00:44,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:44,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:00:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:00:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-19 04:00:45,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:00:45,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758304672] [2024-11-19 04:00:45,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758304672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:00:45,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:00:45,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:00:45,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415326424] [2024-11-19 04:00:45,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:00:45,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:00:45,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:00:45,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:00:45,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:00:45,907 INFO L87 Difference]: Start difference. First operand 443 states and 616 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 04:00:46,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:00:46,162 INFO L93 Difference]: Finished difference Result 897 states and 1250 transitions. [2024-11-19 04:00:46,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:00:46,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 181 [2024-11-19 04:00:46,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:00:46,171 INFO L225 Difference]: With dead ends: 897 [2024-11-19 04:00:46,171 INFO L226 Difference]: Without dead ends: 476 [2024-11-19 04:00:46,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:00:46,174 INFO L432 NwaCegarLoop]: 615 mSDtfsCounter, 64 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 04:00:46,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1186 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 04:00:46,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-11-19 04:00:46,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 473. [2024-11-19 04:00:46,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 370 states have (on average 1.3783783783783783) internal successors, (510), 374 states have internal predecessors, (510), 74 states have call successors, (74), 29 states have call predecessors, (74), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-19 04:00:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 657 transitions. [2024-11-19 04:00:46,219 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 657 transitions. Word has length 181 [2024-11-19 04:00:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:00:46,219 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 657 transitions. [2024-11-19 04:00:46,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 04:00:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 657 transitions. [2024-11-19 04:00:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-19 04:00:46,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:46,223 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:46,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 04:00:46,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:46,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash 746082326, now seen corresponding path program 1 times [2024-11-19 04:00:46,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:46,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783249188] [2024-11-19 04:00:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:46,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:00:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:00:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-19 04:00:47,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:00:47,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783249188] [2024-11-19 04:00:47,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783249188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:00:47,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:00:47,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:00:47,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261454144] [2024-11-19 04:00:47,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:00:47,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:00:47,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:00:47,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:00:47,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:00:47,959 INFO L87 Difference]: Start difference. First operand 473 states and 657 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 04:00:48,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:00:48,064 INFO L93 Difference]: Finished difference Result 924 states and 1289 transitions. [2024-11-19 04:00:48,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:00:48,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 231 [2024-11-19 04:00:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:00:48,071 INFO L225 Difference]: With dead ends: 924 [2024-11-19 04:00:48,071 INFO L226 Difference]: Without dead ends: 473 [2024-11-19 04:00:48,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:00:48,073 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 589 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:00:48,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 602 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:00:48,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-19 04:00:48,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 473. [2024-11-19 04:00:48,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 370 states have (on average 1.354054054054054) internal successors, (501), 374 states have internal predecessors, (501), 74 states have call successors, (74), 29 states have call predecessors, (74), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-19 04:00:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 648 transitions. [2024-11-19 04:00:48,104 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 648 transitions. Word has length 231 [2024-11-19 04:00:48,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:00:48,105 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 648 transitions. [2024-11-19 04:00:48,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-19 04:00:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 648 transitions. [2024-11-19 04:00:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2024-11-19 04:00:48,110 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:48,110 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:48,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 04:00:48,113 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:48,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:48,114 INFO L85 PathProgramCache]: Analyzing trace with hash 959521490, now seen corresponding path program 1 times [2024-11-19 04:00:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:48,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080254772] [2024-11-19 04:00:48,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:48,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:00:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:00:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-19 04:00:49,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:00:49,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080254772] [2024-11-19 04:00:49,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080254772] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:00:49,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:00:49,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:00:49,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714634235] [2024-11-19 04:00:49,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:00:49,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:00:49,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:00:49,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:00:49,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:00:49,796 INFO L87 Difference]: Start difference. First operand 473 states and 648 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-19 04:00:53,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 04:00:54,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:00:54,112 INFO L93 Difference]: Finished difference Result 976 states and 1339 transitions. [2024-11-19 04:00:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:00:54,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 245 [2024-11-19 04:00:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:00:54,116 INFO L225 Difference]: With dead ends: 976 [2024-11-19 04:00:54,116 INFO L226 Difference]: Without dead ends: 525 [2024-11-19 04:00:54,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:00:54,118 INFO L432 NwaCegarLoop]: 644 mSDtfsCounter, 84 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 04:00:54,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1193 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 04:00:54,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-19 04:00:54,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 522. [2024-11-19 04:00:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 412 states have (on average 1.3495145631067962) internal successors, (556), 417 states have internal predecessors, (556), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:00:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 709 transitions. [2024-11-19 04:00:54,135 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 709 transitions. Word has length 245 [2024-11-19 04:00:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:00:54,136 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 709 transitions. [2024-11-19 04:00:54,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-19 04:00:54,136 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 709 transitions. [2024-11-19 04:00:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-19 04:00:54,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:54,139 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:54,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 04:00:54,139 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:54,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:54,140 INFO L85 PathProgramCache]: Analyzing trace with hash 892102049, now seen corresponding path program 1 times [2024-11-19 04:00:54,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:54,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766798890] [2024-11-19 04:00:54,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:54,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:00:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:00:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-19 04:00:56,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:00:56,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766798890] [2024-11-19 04:00:56,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766798890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:00:56,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:00:56,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 04:00:56,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971139316] [2024-11-19 04:00:56,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:00:56,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 04:00:56,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:00:56,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 04:00:56,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 04:00:56,625 INFO L87 Difference]: Start difference. First operand 522 states and 709 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-19 04:00:56,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:00:56,857 INFO L93 Difference]: Finished difference Result 1024 states and 1396 transitions. [2024-11-19 04:00:56,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 04:00:56,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 263 [2024-11-19 04:00:56,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:00:56,861 INFO L225 Difference]: With dead ends: 1024 [2024-11-19 04:00:56,862 INFO L226 Difference]: Without dead ends: 524 [2024-11-19 04:00:56,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 04:00:56,865 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 0 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 04:00:56,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1810 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 04:00:56,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2024-11-19 04:00:56,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2024-11-19 04:00:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 414 states have (on average 1.3478260869565217) internal successors, (558), 419 states have internal predecessors, (558), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:00:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 711 transitions. [2024-11-19 04:00:56,888 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 711 transitions. Word has length 263 [2024-11-19 04:00:56,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:00:56,889 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 711 transitions. [2024-11-19 04:00:56,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-19 04:00:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 711 transitions. [2024-11-19 04:00:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-19 04:00:56,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:56,894 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:56,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 04:00:56,894 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:56,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:56,894 INFO L85 PathProgramCache]: Analyzing trace with hash -714462844, now seen corresponding path program 1 times [2024-11-19 04:00:56,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:56,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974713271] [2024-11-19 04:00:56,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:56,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:00:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:00:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-19 04:00:59,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:00:59,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974713271] [2024-11-19 04:00:59,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974713271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:00:59,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:00:59,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 04:00:59,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235819211] [2024-11-19 04:00:59,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:00:59,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 04:00:59,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:00:59,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 04:00:59,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 04:00:59,697 INFO L87 Difference]: Start difference. First operand 524 states and 711 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:00:59,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:00:59,863 INFO L93 Difference]: Finished difference Result 1028 states and 1400 transitions. [2024-11-19 04:00:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 04:00:59,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 279 [2024-11-19 04:00:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:00:59,868 INFO L225 Difference]: With dead ends: 1028 [2024-11-19 04:00:59,868 INFO L226 Difference]: Without dead ends: 526 [2024-11-19 04:00:59,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 04:00:59,873 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 0 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:00:59,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1810 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:00:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-19 04:00:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 524. [2024-11-19 04:00:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 414 states have (on average 1.3478260869565217) internal successors, (558), 419 states have internal predecessors, (558), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:00:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 711 transitions. [2024-11-19 04:00:59,910 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 711 transitions. Word has length 279 [2024-11-19 04:00:59,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:00:59,911 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 711 transitions. [2024-11-19 04:00:59,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:00:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 711 transitions. [2024-11-19 04:00:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-19 04:00:59,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:00:59,917 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:00:59,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 04:00:59,917 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:00:59,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:00:59,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1245084860, now seen corresponding path program 1 times [2024-11-19 04:00:59,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:00:59,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086561031] [2024-11-19 04:00:59,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:00:59,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-19 04:01:01,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:01,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086561031] [2024-11-19 04:01:01,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086561031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:01,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:01:01,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:01:01,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018794715] [2024-11-19 04:01:01,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:01,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:01:01,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:01,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:01:01,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:01:01,526 INFO L87 Difference]: Start difference. First operand 524 states and 711 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:01:01,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:01,610 INFO L93 Difference]: Finished difference Result 1027 states and 1399 transitions. [2024-11-19 04:01:01,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:01:01,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 280 [2024-11-19 04:01:01,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:01,613 INFO L225 Difference]: With dead ends: 1027 [2024-11-19 04:01:01,614 INFO L226 Difference]: Without dead ends: 525 [2024-11-19 04:01:01,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:01:01,617 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:01,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1210 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:01:01,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-19 04:01:01,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2024-11-19 04:01:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 415 states have (on average 1.346987951807229) internal successors, (559), 420 states have internal predecessors, (559), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:01:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 712 transitions. [2024-11-19 04:01:01,638 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 712 transitions. Word has length 280 [2024-11-19 04:01:01,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:01,638 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 712 transitions. [2024-11-19 04:01:01,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:01:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 712 transitions. [2024-11-19 04:01:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-19 04:01:01,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:01,641 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:01,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 04:01:01,641 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:01,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:01,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1490259185, now seen corresponding path program 1 times [2024-11-19 04:01:01,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:01,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980584808] [2024-11-19 04:01:01,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:01,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 04:01:03,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:03,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980584808] [2024-11-19 04:01:03,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980584808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:03,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:01:03,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:01:03,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325659701] [2024-11-19 04:01:03,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:03,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:01:03,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:03,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:01:03,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:01:03,060 INFO L87 Difference]: Start difference. First operand 525 states and 712 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:01:03,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:03,204 INFO L93 Difference]: Finished difference Result 1037 states and 1417 transitions. [2024-11-19 04:01:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:01:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 284 [2024-11-19 04:01:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:03,209 INFO L225 Difference]: With dead ends: 1037 [2024-11-19 04:01:03,209 INFO L226 Difference]: Without dead ends: 534 [2024-11-19 04:01:03,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:01:03,212 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 8 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:03,212 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1213 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:01:03,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2024-11-19 04:01:03,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 526. [2024-11-19 04:01:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 416 states have (on average 1.3461538461538463) internal successors, (560), 421 states have internal predecessors, (560), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:01:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 713 transitions. [2024-11-19 04:01:03,226 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 713 transitions. Word has length 284 [2024-11-19 04:01:03,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:03,228 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 713 transitions. [2024-11-19 04:01:03,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:01:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 713 transitions. [2024-11-19 04:01:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2024-11-19 04:01:03,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:03,230 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:03,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 04:01:03,231 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:03,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:03,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1698518866, now seen corresponding path program 1 times [2024-11-19 04:01:03,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:03,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812564492] [2024-11-19 04:01:03,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:03,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-19 04:01:04,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:04,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812564492] [2024-11-19 04:01:04,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812564492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:04,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601040185] [2024-11-19 04:01:04,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:04,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:04,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:04,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:04,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 04:01:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:06,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 3447 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 04:01:07,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:07,190 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-19 04:01:07,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 04:01:07,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601040185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:07,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 04:01:07,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 04:01:07,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502194670] [2024-11-19 04:01:07,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:07,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:01:07,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:07,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:01:07,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:01:07,196 INFO L87 Difference]: Start difference. First operand 526 states and 713 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-19 04:01:07,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:07,298 INFO L93 Difference]: Finished difference Result 530 states and 717 transitions. [2024-11-19 04:01:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:01:07,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 288 [2024-11-19 04:01:07,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:07,303 INFO L225 Difference]: With dead ends: 530 [2024-11-19 04:01:07,303 INFO L226 Difference]: Without dead ends: 527 [2024-11-19 04:01:07,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:01:07,306 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:07,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1211 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:01:07,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-11-19 04:01:07,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2024-11-19 04:01:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 417 states have (on average 1.3453237410071943) internal successors, (561), 422 states have internal predecessors, (561), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:01:07,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 714 transitions. [2024-11-19 04:01:07,327 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 714 transitions. Word has length 288 [2024-11-19 04:01:07,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:07,327 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 714 transitions. [2024-11-19 04:01:07,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2024-11-19 04:01:07,328 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 714 transitions. [2024-11-19 04:01:07,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-11-19 04:01:07,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:07,331 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:07,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 04:01:07,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:07,532 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:07,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:07,533 INFO L85 PathProgramCache]: Analyzing trace with hash 212519434, now seen corresponding path program 1 times [2024-11-19 04:01:07,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:07,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806622577] [2024-11-19 04:01:07,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:07,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:09,551 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2024-11-19 04:01:09,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:09,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806622577] [2024-11-19 04:01:09,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806622577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:09,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734094098] [2024-11-19 04:01:09,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:09,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:09,554 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:09,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 04:01:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:11,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 3431 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 04:01:11,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-19 04:01:12,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 04:01:12,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734094098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:12,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 04:01:12,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-19 04:01:12,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360991443] [2024-11-19 04:01:12,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:12,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:01:12,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:12,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:01:12,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:01:12,172 INFO L87 Difference]: Start difference. First operand 527 states and 714 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:01:12,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:12,257 INFO L93 Difference]: Finished difference Result 1038 states and 1416 transitions. [2024-11-19 04:01:12,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:01:12,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 286 [2024-11-19 04:01:12,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:12,261 INFO L225 Difference]: With dead ends: 1038 [2024-11-19 04:01:12,262 INFO L226 Difference]: Without dead ends: 533 [2024-11-19 04:01:12,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 04:01:12,264 INFO L432 NwaCegarLoop]: 607 mSDtfsCounter, 1 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:12,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1210 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:01:12,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-19 04:01:12,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 533. [2024-11-19 04:01:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 423 states have (on average 1.3451536643026005) internal successors, (569), 428 states have internal predecessors, (569), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-19 04:01:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 722 transitions. [2024-11-19 04:01:12,278 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 722 transitions. Word has length 286 [2024-11-19 04:01:12,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:12,279 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 722 transitions. [2024-11-19 04:01:12,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 04:01:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 722 transitions. [2024-11-19 04:01:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-11-19 04:01:12,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:12,281 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:12,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 04:01:12,482 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,SelfDestructingSolverStorable9 [2024-11-19 04:01:12,483 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:12,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:12,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1735086049, now seen corresponding path program 1 times [2024-11-19 04:01:12,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:12,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393590801] [2024-11-19 04:01:12,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:12,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-19 04:01:14,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:14,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393590801] [2024-11-19 04:01:14,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393590801] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:14,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903802480] [2024-11-19 04:01:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:14,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:14,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 04:01:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:16,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 3493 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 04:01:16,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-19 04:01:16,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 04:01:19,653 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-19 04:01:19,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903802480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 04:01:19,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 04:01:19,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-19 04:01:19,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054853105] [2024-11-19 04:01:19,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 04:01:19,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 04:01:19,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:19,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 04:01:19,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:01:19,660 INFO L87 Difference]: Start difference. First operand 533 states and 722 transitions. Second operand has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 5 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-19 04:01:20,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:20,237 INFO L93 Difference]: Finished difference Result 1083 states and 1483 transitions. [2024-11-19 04:01:20,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 04:01:20,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 5 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 300 [2024-11-19 04:01:20,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:20,243 INFO L225 Difference]: With dead ends: 1083 [2024-11-19 04:01:20,243 INFO L226 Difference]: Without dead ends: 572 [2024-11-19 04:01:20,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:01:20,246 INFO L432 NwaCegarLoop]: 610 mSDtfsCounter, 21 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:20,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 2416 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-19 04:01:20,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-19 04:01:20,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2024-11-19 04:01:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 456 states have (on average 1.3421052631578947) internal successors, (612), 463 states have internal predecessors, (612), 83 states have call successors, (83), 33 states have call predecessors, (83), 32 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-19 04:01:20,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 777 transitions. [2024-11-19 04:01:20,266 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 777 transitions. Word has length 300 [2024-11-19 04:01:20,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:20,268 INFO L471 AbstractCegarLoop]: Abstraction has 572 states and 777 transitions. [2024-11-19 04:01:20,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.428571428571427) internal successors, (157), 7 states have internal predecessors, (157), 5 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2024-11-19 04:01:20,269 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 777 transitions. [2024-11-19 04:01:20,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-19 04:01:20,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:20,272 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:20,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 04:01:20,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:20,477 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:20,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:20,478 INFO L85 PathProgramCache]: Analyzing trace with hash -734691014, now seen corresponding path program 1 times [2024-11-19 04:01:20,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:20,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055322463] [2024-11-19 04:01:20,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:20,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-19 04:01:22,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:22,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055322463] [2024-11-19 04:01:22,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055322463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:22,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238737898] [2024-11-19 04:01:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:22,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:22,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:22,848 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:22,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 04:01:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:25,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 3542 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 04:01:25,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-19 04:01:25,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 04:01:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-19 04:01:28,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238737898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 04:01:28,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 04:01:28,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-11-19 04:01:28,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46848581] [2024-11-19 04:01:28,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 04:01:28,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 04:01:28,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:28,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 04:01:28,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-19 04:01:28,581 INFO L87 Difference]: Start difference. First operand 572 states and 777 transitions. Second operand has 8 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 3 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 04:01:29,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:29,173 INFO L93 Difference]: Finished difference Result 1136 states and 1554 transitions. [2024-11-19 04:01:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 04:01:29,174 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 3 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 312 [2024-11-19 04:01:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:29,178 INFO L225 Difference]: With dead ends: 1136 [2024-11-19 04:01:29,178 INFO L226 Difference]: Without dead ends: 586 [2024-11-19 04:01:29,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 619 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-19 04:01:29,180 INFO L432 NwaCegarLoop]: 616 mSDtfsCounter, 28 mSDsluCounter, 1816 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:29,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 2432 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 04:01:29,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-19 04:01:29,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2024-11-19 04:01:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 586 states, 468 states have (on average 1.3418803418803418) internal successors, (628), 476 states have internal predecessors, (628), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-19 04:01:29,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 797 transitions. [2024-11-19 04:01:29,197 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 797 transitions. Word has length 312 [2024-11-19 04:01:29,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:29,198 INFO L471 AbstractCegarLoop]: Abstraction has 586 states and 797 transitions. [2024-11-19 04:01:29,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.625) internal successors, (157), 8 states have internal predecessors, (157), 3 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 04:01:29,198 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 797 transitions. [2024-11-19 04:01:29,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-19 04:01:29,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:29,201 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:29,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 04:01:29,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:29,406 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:29,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:29,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1434349213, now seen corresponding path program 1 times [2024-11-19 04:01:29,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:29,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680865177] [2024-11-19 04:01:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:29,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-19 04:01:31,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:31,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680865177] [2024-11-19 04:01:31,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680865177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:31,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 04:01:31,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 04:01:31,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972842647] [2024-11-19 04:01:31,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:31,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 04:01:31,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:31,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 04:01:31,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:01:31,168 INFO L87 Difference]: Start difference. First operand 586 states and 797 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-19 04:01:31,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:31,224 INFO L93 Difference]: Finished difference Result 1152 states and 1572 transitions. [2024-11-19 04:01:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 04:01:31,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 319 [2024-11-19 04:01:31,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:31,230 INFO L225 Difference]: With dead ends: 1152 [2024-11-19 04:01:31,230 INFO L226 Difference]: Without dead ends: 588 [2024-11-19 04:01:31,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 04:01:31,233 INFO L432 NwaCegarLoop]: 608 mSDtfsCounter, 0 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1214 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:31,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1214 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 04:01:31,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-19 04:01:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2024-11-19 04:01:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 470 states have (on average 1.3404255319148937) internal successors, (630), 478 states have internal predecessors, (630), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-19 04:01:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 799 transitions. [2024-11-19 04:01:31,251 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 799 transitions. Word has length 319 [2024-11-19 04:01:31,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:31,252 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 799 transitions. [2024-11-19 04:01:31,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-19 04:01:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 799 transitions. [2024-11-19 04:01:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-19 04:01:31,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:31,255 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:31,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 04:01:31,255 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:31,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:31,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1109671249, now seen corresponding path program 1 times [2024-11-19 04:01:31,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:31,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697805313] [2024-11-19 04:01:31,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:31,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-19 04:01:33,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:33,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697805313] [2024-11-19 04:01:33,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697805313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:33,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658095919] [2024-11-19 04:01:33,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:33,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:33,516 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:33,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 04:01:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:36,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 3570 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 04:01:36,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2024-11-19 04:01:36,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 04:01:36,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658095919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:36,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 04:01:36,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2024-11-19 04:01:36,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149652557] [2024-11-19 04:01:36,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:36,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 04:01:36,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:36,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 04:01:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-19 04:01:36,724 INFO L87 Difference]: Start difference. First operand 588 states and 799 transitions. Second operand has 5 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-19 04:01:36,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:36,934 INFO L93 Difference]: Finished difference Result 1156 states and 1579 transitions. [2024-11-19 04:01:36,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 04:01:36,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 322 [2024-11-19 04:01:36,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:36,938 INFO L225 Difference]: With dead ends: 1156 [2024-11-19 04:01:36,938 INFO L226 Difference]: Without dead ends: 590 [2024-11-19 04:01:36,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 04:01:36,940 INFO L432 NwaCegarLoop]: 602 mSDtfsCounter, 18 mSDsluCounter, 1793 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2395 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:36,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2395 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:01:36,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-19 04:01:36,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 588. [2024-11-19 04:01:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 470 states have (on average 1.3361702127659574) internal successors, (628), 478 states have internal predecessors, (628), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-19 04:01:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 797 transitions. [2024-11-19 04:01:36,954 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 797 transitions. Word has length 322 [2024-11-19 04:01:36,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:36,955 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 797 transitions. [2024-11-19 04:01:36,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-19 04:01:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 797 transitions. [2024-11-19 04:01:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-19 04:01:36,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:36,957 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:36,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 04:01:37,157 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,SelfDestructingSolverStorable13 [2024-11-19 04:01:37,158 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:37,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:37,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1435452009, now seen corresponding path program 1 times [2024-11-19 04:01:37,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:37,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632200267] [2024-11-19 04:01:37,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:37,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-19 04:01:39,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:39,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632200267] [2024-11-19 04:01:39,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632200267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:39,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135924151] [2024-11-19 04:01:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:39,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:39,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:39,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:39,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 04:01:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:41,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 3568 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 04:01:41,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-19 04:01:42,025 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 04:01:42,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135924151] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 04:01:42,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 04:01:42,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-19 04:01:42,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022354189] [2024-11-19 04:01:42,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 04:01:42,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 04:01:42,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 04:01:42,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 04:01:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 04:01:42,028 INFO L87 Difference]: Start difference. First operand 588 states and 797 transitions. Second operand has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 04:01:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 04:01:42,179 INFO L93 Difference]: Finished difference Result 1156 states and 1572 transitions. [2024-11-19 04:01:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 04:01:42,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 320 [2024-11-19 04:01:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 04:01:42,183 INFO L225 Difference]: With dead ends: 1156 [2024-11-19 04:01:42,184 INFO L226 Difference]: Without dead ends: 590 [2024-11-19 04:01:42,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 04:01:42,187 INFO L432 NwaCegarLoop]: 605 mSDtfsCounter, 0 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 04:01:42,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1805 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 04:01:42,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-19 04:01:42,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2024-11-19 04:01:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 472 states have (on average 1.3347457627118644) internal successors, (630), 480 states have internal predecessors, (630), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-19 04:01:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 799 transitions. [2024-11-19 04:01:42,203 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 799 transitions. Word has length 320 [2024-11-19 04:01:42,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 04:01:42,205 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 799 transitions. [2024-11-19 04:01:42,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.75) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-19 04:01:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 799 transitions. [2024-11-19 04:01:42,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-19 04:01:42,207 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 04:01:42,207 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 04:01:42,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 04:01:42,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 04:01:42,409 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 04:01:42,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 04:01:42,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1057102520, now seen corresponding path program 1 times [2024-11-19 04:01:42,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 04:01:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172743106] [2024-11-19 04:01:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 04:01:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-11-19 04:01:44,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 04:01:44,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172743106] [2024-11-19 04:01:44,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172743106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 04:01:44,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592980388] [2024-11-19 04:01:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 04:01:44,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 04:01:44,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 04:01:44,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 04:01:44,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 04:01:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 04:01:56,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 3602 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-19 04:01:56,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 04:01:57,452 INFO L349 Elim1Store]: treesize reduction 135, result has 17.2 percent of original size [2024-11-19 04:01:57,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 96 treesize of output 101