./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:13:29,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:13:29,076 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:13:29,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:13:29,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:13:29,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:13:29,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:13:29,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:13:29,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:13:29,108 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:13:29,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:13:29,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:13:29,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:13:29,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:13:29,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:13:29,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:13:29,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:13:29,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:13:29,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:13:29,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:13:29,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:13:29,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:13:29,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:13:29,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:13:29,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:13:29,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:13:29,116 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:13:29,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:13:29,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:13:29,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:13:29,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:13:29,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:13:29,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:13:29,118 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:13:29,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:13:29,118 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:13:29,118 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:13:29,118 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:13:29,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:13:29,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2024-11-19 03:13:29,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:13:29,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:13:29,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:13:29,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:13:29,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:13:29,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-19 03:13:30,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:13:31,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:13:31,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-19 03:13:31,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7088f77/117be622e32b438babbdf618d51a6611/FLAG8d997e146 [2024-11-19 03:13:31,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7088f77/117be622e32b438babbdf618d51a6611 [2024-11-19 03:13:31,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:13:31,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:13:31,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:13:31,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:13:31,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:13:31,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:31" (1/1) ... [2024-11-19 03:13:31,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb3b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:31, skipping insertion in model container [2024-11-19 03:13:31,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:31" (1/1) ... [2024-11-19 03:13:31,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:13:31,994 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-19 03:13:32,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:13:32,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:13:32,166 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] [2024-11-19 03:13:32,264 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2024-11-19 03:13:32,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:13:32,338 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:13:32,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32 WrapperNode [2024-11-19 03:13:32,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:13:32,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:13:32,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:13:32,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:13:32,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,488 INFO L138 Inliner]: procedures = 175, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1687 [2024-11-19 03:13:32,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:13:32,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:13:32,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:13:32,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:13:32,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,708 INFO L175 MemorySlicer]: Split 410 memory accesses to 22 slices as follows [2, 108, 12, 56, 1, 8, 28, 3, 2, 42, 2, 4, 2, 1, 8, 49, 2, 8, 8, 38, 8, 18]. 26 percent of accesses are in the largest equivalence class. The 130 initializations are split as follows [2, 0, 8, 56, 0, 8, 0, 0, 0, 0, 1, 0, 0, 0, 8, 0, 0, 8, 8, 23, 8, 0]. The 190 writes are split as follows [0, 41, 3, 0, 0, 0, 28, 1, 0, 42, 0, 0, 0, 0, 0, 42, 0, 0, 0, 15, 0, 18]. [2024-11-19 03:13:32,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,715 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:13:32,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:13:32,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:13:32,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:13:32,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (1/1) ... [2024-11-19 03:13:32,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:13:32,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:13:32,960 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 03:13:32,964 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 03:13:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-19 03:13:33,004 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-19 03:13:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:13:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:13:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:13:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:13:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:13:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:13:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:13:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:13:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:13:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:13:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-19 03:13:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-19 03:13:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-19 03:13:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-19 03:13:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-19 03:13:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-19 03:13:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-19 03:13:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-19 03:13:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:13:33,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-11-19 03:13:33,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:13:33,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:13:33,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:13:33,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:13:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:13:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:13:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-19 03:13:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-19 03:13:33,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-19 03:13:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-19 03:13:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-19 03:13:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-19 03:13:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-19 03:13:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-19 03:13:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-19 03:13:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-19 03:13:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-19 03:13:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-19 03:13:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-19 03:13:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-19 03:13:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-19 03:13:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:13:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:13:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:13:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:13:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2024-11-19 03:13:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2024-11-19 03:13:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2024-11-19 03:13:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2024-11-19 03:13:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2024-11-19 03:13:33,021 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2024-11-19 03:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:13:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:13:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2024-11-19 03:13:33,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:13:33,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:13:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-19 03:13:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-19 03:13:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-11-19 03:13:33,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-11-19 03:13:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:13:33,025 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:13:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:13:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:13:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:13:33,027 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 03:13:33,027 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 03:13:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:13:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2024-11-19 03:13:33,028 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2024-11-19 03:13:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:13:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:13:33,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:13:33,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2024-11-19 03:13:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2024-11-19 03:13:33,030 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:13:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2024-11-19 03:13:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2024-11-19 03:13:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:13:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:13:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:13:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:13:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:13:33,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:13:33,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:13:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:13:33,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:13:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 03:13:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-19 03:13:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-19 03:13:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-19 03:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-19 03:13:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:13:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2024-11-19 03:13:33,041 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2024-11-19 03:13:33,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2024-11-19 03:13:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2024-11-19 03:13:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:13:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:13:33,513 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:13:33,516 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:13:40,165 INFO L? ?]: Removed 1114 outVars from TransFormulas that were not future-live. [2024-11-19 03:13:40,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:13:40,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:13:40,190 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:13:40,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:40 BoogieIcfgContainer [2024-11-19 03:13:40,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:13:40,192 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:13:40,192 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:13:40,198 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:13:40,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:13:31" (1/3) ... [2024-11-19 03:13:40,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b9de69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:13:40, skipping insertion in model container [2024-11-19 03:13:40,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:32" (2/3) ... [2024-11-19 03:13:40,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b9de69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:13:40, skipping insertion in model container [2024-11-19 03:13:40,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:40" (3/3) ... [2024-11-19 03:13:40,201 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2024-11-19 03:13:40,214 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:13:40,215 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:13:40,277 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:13:40,283 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;@18494df5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:13:40,283 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:13:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2024-11-19 03:13:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 03:13:40,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:13:40,297 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:13:40,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:13:40,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:13:40,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159067, now seen corresponding path program 1 times [2024-11-19 03:13:40,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:13:40,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488525207] [2024-11-19 03:13:40,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:13:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:13:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:13:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:13:42,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:13:42,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488525207] [2024-11-19 03:13:42,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488525207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:13:42,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:13:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:13:42,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893529192] [2024-11-19 03:13:42,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:13:42,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:13:42,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:13:42,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:13:42,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:13:42,063 INFO L87 Difference]: Start difference. First operand has 680 states, 487 states have (on average 1.3347022587268993) internal successors, (650), 512 states have internal predecessors, (650), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:13:42,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:13:42,411 INFO L93 Difference]: Finished difference Result 1602 states and 2277 transitions. [2024-11-19 03:13:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:13:42,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 03:13:42,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:13:42,436 INFO L225 Difference]: With dead ends: 1602 [2024-11-19 03:13:42,436 INFO L226 Difference]: Without dead ends: 917 [2024-11-19 03:13:42,443 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 03:13:42,449 INFO L432 NwaCegarLoop]: 944 mSDtfsCounter, 349 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1827 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:13:42,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1827 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:13:42,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2024-11-19 03:13:42,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 890. [2024-11-19 03:13:42,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 637 states have (on average 1.3202511773940346) internal successors, (841), 672 states have internal predecessors, (841), 197 states have call successors, (197), 57 states have call predecessors, (197), 55 states have return successors, (187), 180 states have call predecessors, (187), 187 states have call successors, (187) [2024-11-19 03:13:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1225 transitions. [2024-11-19 03:13:42,595 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1225 transitions. Word has length 13 [2024-11-19 03:13:42,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:13:42,598 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1225 transitions. [2024-11-19 03:13:42,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:13:42,598 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1225 transitions. [2024-11-19 03:13:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-19 03:13:42,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:13:42,602 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:42,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:13:42,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:13:42,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:13:42,603 INFO L85 PathProgramCache]: Analyzing trace with hash 30224340, now seen corresponding path program 1 times [2024-11-19 03:13:42,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:13:42,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839321857] [2024-11-19 03:13:42,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:13:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:13:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:13:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:13:43,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:13:43,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839321857] [2024-11-19 03:13:43,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839321857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:13:43,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:13:43,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:13:43,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722200988] [2024-11-19 03:13:43,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:13:43,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:13:43,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:13:43,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:13:43,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:13:43,826 INFO L87 Difference]: Start difference. First operand 890 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 03:13:47,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:13:48,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:13:48,056 INFO L93 Difference]: Finished difference Result 2561 states and 3522 transitions. [2024-11-19 03:13:48,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:13:48,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-19 03:13:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:13:48,070 INFO L225 Difference]: With dead ends: 2561 [2024-11-19 03:13:48,070 INFO L226 Difference]: Without dead ends: 1674 [2024-11-19 03:13:48,073 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 03:13:48,073 INFO L432 NwaCegarLoop]: 966 mSDtfsCounter, 892 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:13:48,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1849 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:13:48,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-11-19 03:13:48,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1667. [2024-11-19 03:13:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.3200663349917081) internal successors, (1592), 1260 states have internal predecessors, (1592), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-19 03:13:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2288 transitions. [2024-11-19 03:13:48,153 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2288 transitions. Word has length 35 [2024-11-19 03:13:48,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:13:48,153 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2288 transitions. [2024-11-19 03:13:48,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 03:13:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2288 transitions. [2024-11-19 03:13:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 03:13:48,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:13:48,157 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:48,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:13:48,157 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:13:48,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:13:48,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1064351123, now seen corresponding path program 1 times [2024-11-19 03:13:48,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:13:48,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357769862] [2024-11-19 03:13:48,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:13:48,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:13:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:13:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:13:49,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:13:49,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357769862] [2024-11-19 03:13:49,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357769862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:13:49,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:13:49,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:13:49,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875376336] [2024-11-19 03:13:49,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:13:49,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:13:49,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:13:49,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:13:49,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:13:49,188 INFO L87 Difference]: Start difference. First operand 1667 states and 2288 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 03:13:49,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:13:49,274 INFO L93 Difference]: Finished difference Result 1693 states and 2320 transitions. [2024-11-19 03:13:49,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:13:49,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2024-11-19 03:13:49,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:13:49,282 INFO L225 Difference]: With dead ends: 1693 [2024-11-19 03:13:49,282 INFO L226 Difference]: Without dead ends: 1680 [2024-11-19 03:13:49,283 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 03:13:49,284 INFO L432 NwaCegarLoop]: 953 mSDtfsCounter, 933 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:13:49,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 969 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:13:49,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-11-19 03:13:49,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1667. [2024-11-19 03:13:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1206 states have (on average 1.318407960199005) internal successors, (1590), 1260 states have internal predecessors, (1590), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-19 03:13:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2286 transitions. [2024-11-19 03:13:49,409 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2286 transitions. Word has length 42 [2024-11-19 03:13:49,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:13:49,409 INFO L471 AbstractCegarLoop]: Abstraction has 1667 states and 2286 transitions. [2024-11-19 03:13:49,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 03:13:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2286 transitions. [2024-11-19 03:13:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 03:13:49,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:13:49,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:49,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:13:49,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:13:49,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:13:49,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1007092821, now seen corresponding path program 1 times [2024-11-19 03:13:49,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:13:49,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855279642] [2024-11-19 03:13:49,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:13:49,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:13:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:13:50,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:13:50,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:13:50,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855279642] [2024-11-19 03:13:50,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855279642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:13:50,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:13:50,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:13:50,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362871865] [2024-11-19 03:13:50,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:13:50,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:13:50,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:13:50,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:13:50,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:13:50,470 INFO L87 Difference]: Start difference. First operand 1667 states and 2286 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:13:54,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:13:54,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:13:54,583 INFO L93 Difference]: Finished difference Result 1669 states and 2287 transitions. [2024-11-19 03:13:54,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:13:54,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-19 03:13:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:13:54,591 INFO L225 Difference]: With dead ends: 1669 [2024-11-19 03:13:54,592 INFO L226 Difference]: Without dead ends: 1666 [2024-11-19 03:13:54,593 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 03:13:54,593 INFO L432 NwaCegarLoop]: 935 mSDtfsCounter, 912 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:13:54,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 935 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:13:54,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-11-19 03:13:54,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1666. [2024-11-19 03:13:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1206 states have (on average 1.3175787728026533) internal successors, (1589), 1259 states have internal predecessors, (1589), 352 states have call successors, (352), 110 states have call predecessors, (352), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-19 03:13:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2284 transitions. [2024-11-19 03:13:54,661 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2284 transitions. Word has length 42 [2024-11-19 03:13:54,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:13:54,662 INFO L471 AbstractCegarLoop]: Abstraction has 1666 states and 2284 transitions. [2024-11-19 03:13:54,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:13:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2284 transitions. [2024-11-19 03:13:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 03:13:54,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:13:54,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:54,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:13:54,665 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:13:54,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:13:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1155424246, now seen corresponding path program 1 times [2024-11-19 03:13:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:13:54,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947719696] [2024-11-19 03:13:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:13:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:13:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:13:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:13:55,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:13:55,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947719696] [2024-11-19 03:13:55,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947719696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:13:55,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:13:55,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:13:55,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232481939] [2024-11-19 03:13:55,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:13:55,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:13:55,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:13:55,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:13:55,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:13:55,772 INFO L87 Difference]: Start difference. First operand 1666 states and 2284 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:13:59,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:13:59,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:13:59,992 INFO L93 Difference]: Finished difference Result 1668 states and 2285 transitions. [2024-11-19 03:13:59,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:13:59,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-19 03:13:59,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:00,004 INFO L225 Difference]: With dead ends: 1668 [2024-11-19 03:14:00,004 INFO L226 Difference]: Without dead ends: 1665 [2024-11-19 03:14:00,006 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 03:14:00,008 INFO L432 NwaCegarLoop]: 933 mSDtfsCounter, 909 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:00,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [909 Valid, 933 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:14:00,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2024-11-19 03:14:00,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1665. [2024-11-19 03:14:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1206 states have (on average 1.3167495854063018) internal successors, (1588), 1258 states have internal predecessors, (1588), 351 states have call successors, (351), 110 states have call predecessors, (351), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-19 03:14:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2282 transitions. [2024-11-19 03:14:00,096 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2282 transitions. Word has length 43 [2024-11-19 03:14:00,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:00,097 INFO L471 AbstractCegarLoop]: Abstraction has 1665 states and 2282 transitions. [2024-11-19 03:14:00,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2282 transitions. [2024-11-19 03:14:00,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 03:14:00,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:00,099 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:00,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:14:00,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:00,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:00,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1458726258, now seen corresponding path program 1 times [2024-11-19 03:14:00,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:00,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199583763] [2024-11-19 03:14:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:00,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:01,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:14:01,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:01,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199583763] [2024-11-19 03:14:01,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199583763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:01,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:01,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:14:01,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568946570] [2024-11-19 03:14:01,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:01,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:14:01,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:01,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:14:01,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:14:01,061 INFO L87 Difference]: Start difference. First operand 1665 states and 2282 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:05,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:14:05,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:05,253 INFO L93 Difference]: Finished difference Result 1667 states and 2283 transitions. [2024-11-19 03:14:05,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:14:05,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-19 03:14:05,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:05,262 INFO L225 Difference]: With dead ends: 1667 [2024-11-19 03:14:05,263 INFO L226 Difference]: Without dead ends: 1664 [2024-11-19 03:14:05,264 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 03:14:05,264 INFO L432 NwaCegarLoop]: 931 mSDtfsCounter, 906 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:05,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 931 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:14:05,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2024-11-19 03:14:05,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1664. [2024-11-19 03:14:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1664 states, 1206 states have (on average 1.3159203980099503) internal successors, (1587), 1257 states have internal predecessors, (1587), 350 states have call successors, (350), 110 states have call predecessors, (350), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2024-11-19 03:14:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1664 states and 2280 transitions. [2024-11-19 03:14:05,336 INFO L78 Accepts]: Start accepts. Automaton has 1664 states and 2280 transitions. Word has length 44 [2024-11-19 03:14:05,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:05,336 INFO L471 AbstractCegarLoop]: Abstraction has 1664 states and 2280 transitions. [2024-11-19 03:14:05,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 2280 transitions. [2024-11-19 03:14:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-19 03:14:05,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:05,337 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:05,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:14:05,338 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:05,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:05,338 INFO L85 PathProgramCache]: Analyzing trace with hash 2023818125, now seen corresponding path program 1 times [2024-11-19 03:14:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:05,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615028029] [2024-11-19 03:14:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:05,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:14:06,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:06,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615028029] [2024-11-19 03:14:06,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615028029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:06,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:06,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:14:06,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271453810] [2024-11-19 03:14:06,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:06,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:14:06,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:06,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:14:06,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:14:06,254 INFO L87 Difference]: Start difference. First operand 1664 states and 2280 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:10,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:14:10,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:10,680 INFO L93 Difference]: Finished difference Result 4923 states and 6747 transitions. [2024-11-19 03:14:10,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:14:10,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-19 03:14:10,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:10,717 INFO L225 Difference]: With dead ends: 4923 [2024-11-19 03:14:10,717 INFO L226 Difference]: Without dead ends: 3262 [2024-11-19 03:14:10,735 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 03:14:10,735 INFO L432 NwaCegarLoop]: 999 mSDtfsCounter, 881 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:10,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 1889 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:14:10,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-11-19 03:14:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3252. [2024-11-19 03:14:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2368 states have (on average 1.3163006756756757) internal successors, (3117), 2466 states have internal predecessors, (3117), 671 states have call successors, (671), 218 states have call predecessors, (671), 212 states have return successors, (662), 635 states have call predecessors, (662), 662 states have call successors, (662) [2024-11-19 03:14:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4450 transitions. [2024-11-19 03:14:10,869 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4450 transitions. Word has length 45 [2024-11-19 03:14:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:10,869 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4450 transitions. [2024-11-19 03:14:10,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4450 transitions. [2024-11-19 03:14:10,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 03:14:10,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:10,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:10,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:14:10,873 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:10,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:10,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1686450831, now seen corresponding path program 1 times [2024-11-19 03:14:10,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:10,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029095666] [2024-11-19 03:14:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:10,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:11,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 03:14:11,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:11,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029095666] [2024-11-19 03:14:11,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029095666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:11,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:11,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:14:11,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937899353] [2024-11-19 03:14:11,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:11,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:14:11,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:11,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:14:11,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:14:11,971 INFO L87 Difference]: Start difference. First operand 3252 states and 4450 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:16,000 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 03:14:16,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:16,127 INFO L93 Difference]: Finished difference Result 3303 states and 4487 transitions. [2024-11-19 03:14:16,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:14:16,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-19 03:14:16,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:16,141 INFO L225 Difference]: With dead ends: 3303 [2024-11-19 03:14:16,141 INFO L226 Difference]: Without dead ends: 3248 [2024-11-19 03:14:16,143 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 03:14:16,144 INFO L432 NwaCegarLoop]: 934 mSDtfsCounter, 845 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:16,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 1000 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:14:16,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2024-11-19 03:14:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3227. [2024-11-19 03:14:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3227 states, 2354 states have (on average 1.312659303313509) internal successors, (3090), 2448 states have internal predecessors, (3090), 656 states have call successors, (656), 222 states have call predecessors, (656), 216 states have return successors, (649), 624 states have call predecessors, (649), 649 states have call successors, (649) [2024-11-19 03:14:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 4395 transitions. [2024-11-19 03:14:16,282 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 4395 transitions. Word has length 46 [2024-11-19 03:14:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:16,283 INFO L471 AbstractCegarLoop]: Abstraction has 3227 states and 4395 transitions. [2024-11-19 03:14:16,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 03:14:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 4395 transitions. [2024-11-19 03:14:16,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 03:14:16,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:16,286 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 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] [2024-11-19 03:14:16,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:14:16,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:16,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:16,287 INFO L85 PathProgramCache]: Analyzing trace with hash -838290608, now seen corresponding path program 1 times [2024-11-19 03:14:16,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:16,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781514293] [2024-11-19 03:14:16,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:16,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:17,348 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-19 03:14:17,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:17,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781514293] [2024-11-19 03:14:17,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781514293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:17,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:17,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:14:17,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117957193] [2024-11-19 03:14:17,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:17,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:14:17,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:17,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:14:17,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:14:17,350 INFO L87 Difference]: Start difference. First operand 3227 states and 4395 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 03:14:17,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:17,641 INFO L93 Difference]: Finished difference Result 8401 states and 11477 transitions. [2024-11-19 03:14:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:14:17,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 151 [2024-11-19 03:14:17,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:17,662 INFO L225 Difference]: With dead ends: 8401 [2024-11-19 03:14:17,663 INFO L226 Difference]: Without dead ends: 5177 [2024-11-19 03:14:17,672 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 03:14:17,674 INFO L432 NwaCegarLoop]: 1429 mSDtfsCounter, 666 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 2335 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 03:14:17,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 2335 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 03:14:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2024-11-19 03:14:17,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 5115. [2024-11-19 03:14:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5115 states, 3768 states have (on average 1.32776008492569) internal successors, (5003), 3891 states have internal predecessors, (5003), 1007 states have call successors, (1007), 345 states have call predecessors, (1007), 339 states have return successors, (1000), 966 states have call predecessors, (1000), 1000 states have call successors, (1000) [2024-11-19 03:14:17,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 7010 transitions. [2024-11-19 03:14:17,915 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 7010 transitions. Word has length 151 [2024-11-19 03:14:17,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:17,916 INFO L471 AbstractCegarLoop]: Abstraction has 5115 states and 7010 transitions. [2024-11-19 03:14:17,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 03:14:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 7010 transitions. [2024-11-19 03:14:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 03:14:17,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:17,926 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:14:17,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:14:17,927 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:17,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:17,927 INFO L85 PathProgramCache]: Analyzing trace with hash 606680510, now seen corresponding path program 1 times [2024-11-19 03:14:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520088891] [2024-11-19 03:14:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:19,174 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-19 03:14:19,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:19,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520088891] [2024-11-19 03:14:19,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520088891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:19,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:19,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:14:19,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580826730] [2024-11-19 03:14:19,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:19,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:14:19,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:19,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:14:19,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:14:19,177 INFO L87 Difference]: Start difference. First operand 5115 states and 7010 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 03:14:19,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:19,403 INFO L93 Difference]: Finished difference Result 7943 states and 10836 transitions. [2024-11-19 03:14:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:14:19,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 186 [2024-11-19 03:14:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:19,422 INFO L225 Difference]: With dead ends: 7943 [2024-11-19 03:14:19,423 INFO L226 Difference]: Without dead ends: 2831 [2024-11-19 03:14:19,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:14:19,436 INFO L432 NwaCegarLoop]: 894 mSDtfsCounter, 0 mSDsluCounter, 2675 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3569 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:19,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3569 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:14:19,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2024-11-19 03:14:19,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2831. [2024-11-19 03:14:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2069 states have (on average 1.3093281778637023) internal successors, (2709), 2129 states have internal predecessors, (2709), 560 states have call successors, (560), 205 states have call predecessors, (560), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-11-19 03:14:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3825 transitions. [2024-11-19 03:14:19,557 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3825 transitions. Word has length 186 [2024-11-19 03:14:19,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:19,560 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3825 transitions. [2024-11-19 03:14:19,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 03:14:19,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3825 transitions. [2024-11-19 03:14:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-19 03:14:19,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:19,565 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:14:19,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:14:19,565 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:19,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:19,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1286738880, now seen corresponding path program 1 times [2024-11-19 03:14:19,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:19,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958440882] [2024-11-19 03:14:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-19 03:14:20,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:20,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958440882] [2024-11-19 03:14:20,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958440882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:20,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:20,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:14:20,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778958794] [2024-11-19 03:14:20,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:20,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:14:20,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:20,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:14:20,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:14:20,736 INFO L87 Difference]: Start difference. First operand 2831 states and 3825 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:14:24,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:14:24,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:24,999 INFO L93 Difference]: Finished difference Result 2836 states and 3828 transitions. [2024-11-19 03:14:25,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:14:25,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 186 [2024-11-19 03:14:25,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:25,021 INFO L225 Difference]: With dead ends: 2836 [2024-11-19 03:14:25,021 INFO L226 Difference]: Without dead ends: 2833 [2024-11-19 03:14:25,023 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 03:14:25,023 INFO L432 NwaCegarLoop]: 902 mSDtfsCounter, 51 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:25,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 1743 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-19 03:14:25,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2833 states. [2024-11-19 03:14:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2833 to 2830. [2024-11-19 03:14:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2069 states have (on average 1.3073948767520542) internal successors, (2705), 2128 states have internal predecessors, (2705), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-11-19 03:14:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3820 transitions. [2024-11-19 03:14:25,122 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3820 transitions. Word has length 186 [2024-11-19 03:14:25,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:25,123 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3820 transitions. [2024-11-19 03:14:25,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 03:14:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3820 transitions. [2024-11-19 03:14:25,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 03:14:25,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:25,127 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:14:25,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:14:25,127 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:25,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:25,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2027611886, now seen corresponding path program 1 times [2024-11-19 03:14:25,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:25,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653112478] [2024-11-19 03:14:25,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:25,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-19 03:14:26,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:26,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653112478] [2024-11-19 03:14:26,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653112478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:26,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:26,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:14:26,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184185557] [2024-11-19 03:14:26,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:26,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:14:26,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:26,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:14:26,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:14:26,153 INFO L87 Difference]: Start difference. First operand 2830 states and 3820 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, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 03:14:30,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 03:14:30,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:30,333 INFO L93 Difference]: Finished difference Result 2833 states and 3822 transitions. [2024-11-19 03:14:30,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:14:30,334 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, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2024-11-19 03:14:30,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:30,343 INFO L225 Difference]: With dead ends: 2833 [2024-11-19 03:14:30,343 INFO L226 Difference]: Without dead ends: 2830 [2024-11-19 03:14:30,344 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 03:14:30,345 INFO L432 NwaCegarLoop]: 900 mSDtfsCounter, 81 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1772 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:30,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1772 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:14:30,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2024-11-19 03:14:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2830. [2024-11-19 03:14:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2069 states have (on average 1.3035282745287577) internal successors, (2697), 2128 states have internal predecessors, (2697), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2024-11-19 03:14:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 3812 transitions. [2024-11-19 03:14:30,435 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 3812 transitions. Word has length 187 [2024-11-19 03:14:30,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:30,435 INFO L471 AbstractCegarLoop]: Abstraction has 2830 states and 3812 transitions. [2024-11-19 03:14:30,436 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, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 03:14:30,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3812 transitions. [2024-11-19 03:14:30,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 03:14:30,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:14:30,439 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-19 03:14:30,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:14:30,440 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:14:30,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:14:30,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1874328400, now seen corresponding path program 1 times [2024-11-19 03:14:30,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:14:30,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594226467] [2024-11-19 03:14:30,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:14:30,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:14:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:14:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-19 03:14:31,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:14:31,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594226467] [2024-11-19 03:14:31,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594226467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:14:31,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:14:31,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:14:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551985359] [2024-11-19 03:14:31,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:14:31,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:14:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:14:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:14:31,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:14:31,823 INFO L87 Difference]: Start difference. First operand 2830 states and 3812 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 03:14:32,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:14:32,043 INFO L93 Difference]: Finished difference Result 2830 states and 3812 transitions. [2024-11-19 03:14:32,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:14:32,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2024-11-19 03:14:32,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:14:32,046 INFO L225 Difference]: With dead ends: 2830 [2024-11-19 03:14:32,046 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 03:14:32,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:14:32,052 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 0 mSDsluCounter, 2662 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:14:32,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3553 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:14:32,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 03:14:32,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 03:14:32,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 03:14:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 03:14:32,054 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2024-11-19 03:14:32,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:14:32,055 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 03:14:32,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-19 03:14:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 03:14:32,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 03:14:32,057 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-19 03:14:32,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:14:32,060 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:14:32,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.