./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 03:41:40,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 03:41:40,421 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 03:41:40,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 03:41:40,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 03:41:40,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 03:41:40,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 03:41:40,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 03:41:40,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 03:41:40,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 03:41:40,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 03:41:40,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 03:41:40,458 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 03:41:40,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 03:41:40,459 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 03:41:40,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 03:41:40,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 03:41:40,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 03:41:40,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 03:41:40,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 03:41:40,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 03:41:40,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 03:41:40,466 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 03:41:40,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 03:41:40,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 03:41:40,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 03:41:40,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 03:41:40,467 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 03:41:40,467 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 03:41:40,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:41:40,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 03:41:40,468 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 03:41:40,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 03:41:40,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 03:41:40,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 03:41:40,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 03:41:40,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 03:41:40,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 03:41:40,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 03:41:40,469 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfba800a850f13ff72fddf9946e31aec208a19aa4b82d402046e12670b66199 [2024-11-19 03:41:40,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 03:41:40,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 03:41:40,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 03:41:40,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 03:41:40,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 03:41:40,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-19 03:41:42,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 03:41:42,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 03:41:42,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-19 03:41:42,722 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63d85951b/bd0f23b85a494f5189922e18414eab7a/FLAG7d487ad0f [2024-11-19 03:41:42,736 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63d85951b/bd0f23b85a494f5189922e18414eab7a [2024-11-19 03:41:42,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 03:41:42,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 03:41:42,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 03:41:42,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 03:41:42,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 03:41:42,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:42" (1/1) ... [2024-11-19 03:41:42,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35574b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:42, skipping insertion in model container [2024-11-19 03:41:42,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:42" (1/1) ... [2024-11-19 03:41:42,929 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 03:41:44,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2024-11-19 03:41:44,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:41:44,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 03:41:44,412 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5693-5694] [2024-11-19 03:41:44,416 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5722-5723] [2024-11-19 03:41:44,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i[277952,277965] [2024-11-19 03:41:44,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 03:41:44,732 INFO L204 MainTranslator]: Completed translation [2024-11-19 03:41:44,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44 WrapperNode [2024-11-19 03:41:44,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 03:41:44,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 03:41:44,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 03:41:44,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 03:41:44,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:44,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,040 INFO L138 Inliner]: procedures = 258, calls = 2402, calls flagged for inlining = 96, calls inlined = 93, statements flattened = 7023 [2024-11-19 03:41:45,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 03:41:45,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 03:41:45,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 03:41:45,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 03:41:45,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,682 INFO L175 MemorySlicer]: Split 1117 memory accesses to 24 slices as follows [2, 15, 8, 6, 549, 6, 5, 8, 36, 4, 57, 1, 294, 2, 2, 11, 25, 16, 2, 1, 13, 26, 11, 17]. 49 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 0, 8, 0, 0, 0, 0, 8, 7, 0, 0, 1, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0]. The 309 writes are split as follows [0, 0, 0, 3, 184, 3, 2, 0, 29, 1, 16, 0, 3, 1, 0, 1, 22, 12, 0, 0, 4, 12, 4, 12]. [2024-11-19 03:41:45,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:45,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:46,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 03:41:46,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 03:41:46,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 03:41:46,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 03:41:46,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (1/1) ... [2024-11-19 03:41:46,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 03:41:46,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:41:46,059 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 03:41:46,061 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 03:41:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 03:41:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 03:41:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 03:41:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 03:41:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 03:41:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 03:41:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 03:41:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 03:41:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-19 03:41:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-19 03:41:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-19 03:41:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-19 03:41:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-19 03:41:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-19 03:41:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-19 03:41:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-19 03:41:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-19 03:41:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-19 03:41:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-19 03:41:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-19 03:41:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-19 03:41:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-19 03:41:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpctl_mutex [2024-11-19 03:41:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpctl_mutex [2024-11-19 03:41:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-19 03:41:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-19 03:41:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetIocState [2024-11-19 03:41:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetIocState [2024-11-19 03:41:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2024-11-19 03:41:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2024-11-19 03:41:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2024-11-19 03:41:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2024-11-19 03:41:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-19 03:41:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-19 03:41:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-19 03:41:46,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-19 03:41:46,108 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_syscall_down [2024-11-19 03:41:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_syscall_down [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_deregister [2024-11-19 03:41:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_deregister [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-19 03:41:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_remove [2024-11-19 03:41:46,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_remove [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 03:41:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-19 03:41:46,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-19 03:41:46,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-19 03:41:46,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-19 03:41:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 03:41:46,112 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-19 03:41:46,113 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-19 03:41:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 03:41:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame [2024-11-19 03:41:46,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame [2024-11-19 03:41:46,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-19 03:41:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-19 03:41:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-19 03:41:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure __mptctl_ioctl [2024-11-19 03:41:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __mptctl_ioctl [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_mpt_command [2024-11-19 03:41:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_mpt_command [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_fw_download [2024-11-19 03:41:46,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_fw_download [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 03:41:46,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 03:41:46,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 03:41:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 03:41:46,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-19 03:41:46,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-19 03:41:46,119 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame_hi_pri [2024-11-19 03:41:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame_hi_pri [2024-11-19 03:41:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-19 03:41:46,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-19 03:41:46,120 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 03:41:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_fw_memory [2024-11-19 03:41:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_fw_memory [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_taskmgmt [2024-11-19 03:41:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_taskmgmt [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-19 03:41:46,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 03:41:46,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 03:41:46,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 03:41:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-19 03:41:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-19 03:41:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 03:41:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 03:41:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_timeout_expired [2024-11-19 03:41:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_timeout_expired [2024-11-19 03:41:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-19 03:41:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-19 03:41:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-19 03:41:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-19 03:41:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-19 03:41:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-19 03:41:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpctl_mutex [2024-11-19 03:41:46,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpctl_mutex [2024-11-19 03:41:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fasync [2024-11-19 03:41:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fasync [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-19 03:41:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-19 03:41:46,126 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 03:41:46,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-19 03:41:46,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 03:41:46,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 03:41:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_set_taskmgmt_in_progress_flag [2024-11-19 03:41:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_set_taskmgmt_in_progress_flag [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-19 03:41:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_verify_adapter [2024-11-19 03:41:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_verify_adapter [2024-11-19 03:41:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-19 03:41:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-19 03:41:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 03:41:46,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_deregister [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_deregister [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_sgl [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_sgl [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-19 03:41:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-19 03:41:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-19 03:41:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 03:41:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 03:41:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 03:41:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 03:41:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_msg_frame [2024-11-19 03:41:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_msg_frame [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-19 03:41:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-19 03:41:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_send_handshake_request [2024-11-19 03:41:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_send_handshake_request [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_register [2024-11-19 03:41:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_register [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-19 03:41:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-19 03:41:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2024-11-19 03:41:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 03:41:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 03:41:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 03:41:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 03:41:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2024-11-19 03:41:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2024-11-19 03:41:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_msg_frame [2024-11-19 03:41:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_msg_frame [2024-11-19 03:41:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-19 03:41:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-19 03:41:46,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 03:41:46,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 03:41:46,944 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-19 03:41:57,164 INFO L? ?]: Removed 2193 outVars from TransFormulas that were not future-live. [2024-11-19 03:41:57,164 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 03:41:57,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 03:41:57,224 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 03:41:57,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:57 BoogieIcfgContainer [2024-11-19 03:41:57,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 03:41:57,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 03:41:57,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 03:41:57,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 03:41:57,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:41:42" (1/3) ... [2024-11-19 03:41:57,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af4e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:41:57, skipping insertion in model container [2024-11-19 03:41:57,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:44" (2/3) ... [2024-11-19 03:41:57,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67af4e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:41:57, skipping insertion in model container [2024-11-19 03:41:57,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:57" (3/3) ... [2024-11-19 03:41:57,234 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-19 03:41:57,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 03:41:57,251 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 03:41:57,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 03:41:57,384 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;@71d14ab2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 03:41:57,385 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 03:41:57,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 1807 states, 1354 states have (on average 1.4121122599704579) internal successors, (1912), 1374 states have internal predecessors, (1912), 387 states have call successors, (387), 65 states have call predecessors, (387), 64 states have return successors, (383), 382 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-19 03:41:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 03:41:57,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:41:57,422 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:57,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:41:57,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:41:57,432 INFO L85 PathProgramCache]: Analyzing trace with hash -4210285, now seen corresponding path program 1 times [2024-11-19 03:41:57,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:41:57,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467676610] [2024-11-19 03:41:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:41:57,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:41:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:41:58,459 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-19 03:41:58,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:41:58,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467676610] [2024-11-19 03:41:58,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467676610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:41:58,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:41:58,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 03:41:58,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031489480] [2024-11-19 03:41:58,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:41:58,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 03:41:58,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:41:58,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 03:41:58,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:41:58,494 INFO L87 Difference]: Start difference. First operand has 1807 states, 1354 states have (on average 1.4121122599704579) internal successors, (1912), 1374 states have internal predecessors, (1912), 387 states have call successors, (387), 65 states have call predecessors, (387), 64 states have return successors, (383), 382 states have call predecessors, (383), 383 states have call successors, (383) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 03:41:58,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:41:58,654 INFO L93 Difference]: Finished difference Result 3609 states and 5428 transitions. [2024-11-19 03:41:58,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 03:41:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2024-11-19 03:41:58,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:41:58,681 INFO L225 Difference]: With dead ends: 3609 [2024-11-19 03:41:58,681 INFO L226 Difference]: Without dead ends: 1794 [2024-11-19 03:41:58,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 03:41:58,696 INFO L432 NwaCegarLoop]: 2665 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:41:58,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2665 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:41:58,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-19 03:41:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1794. [2024-11-19 03:41:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1794 states, 1347 states have (on average 1.4053452115812917) internal successors, (1893), 1361 states have internal predecessors, (1893), 383 states have call successors, (383), 64 states have call predecessors, (383), 63 states have return successors, (372), 371 states have call predecessors, (372), 372 states have call successors, (372) [2024-11-19 03:41:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2648 transitions. [2024-11-19 03:41:58,899 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2648 transitions. Word has length 119 [2024-11-19 03:41:58,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:41:58,900 INFO L471 AbstractCegarLoop]: Abstraction has 1794 states and 2648 transitions. [2024-11-19 03:41:58,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-19 03:41:58,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2648 transitions. [2024-11-19 03:41:58,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 03:41:58,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:41:58,904 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:58,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 03:41:58,905 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:41:58,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:41:58,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1977375663, now seen corresponding path program 1 times [2024-11-19 03:41:58,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:41:58,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020807146] [2024-11-19 03:41:58,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:41:58,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:41:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:41:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-19 03:41:59,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:41:59,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020807146] [2024-11-19 03:41:59,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020807146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:41:59,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:41:59,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:41:59,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517656594] [2024-11-19 03:41:59,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:41:59,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:41:59,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:41:59,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:41:59,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:41:59,572 INFO L87 Difference]: Start difference. First operand 1794 states and 2648 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-19 03:41:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:41:59,704 INFO L93 Difference]: Finished difference Result 3660 states and 5380 transitions. [2024-11-19 03:41:59,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:41:59,704 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), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 119 [2024-11-19 03:41:59,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:41:59,715 INFO L225 Difference]: With dead ends: 3660 [2024-11-19 03:41:59,715 INFO L226 Difference]: Without dead ends: 1896 [2024-11-19 03:41:59,721 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 03:41:59,722 INFO L432 NwaCegarLoop]: 2677 mSDtfsCounter, 168 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 5244 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:41:59,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 5244 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:41:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2024-11-19 03:41:59,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1879. [2024-11-19 03:41:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1879 states, 1410 states have (on average 1.399290780141844) internal successors, (1973), 1426 states have internal predecessors, (1973), 394 states have call successors, (394), 75 states have call predecessors, (394), 74 states have return successors, (383), 380 states have call predecessors, (383), 383 states have call successors, (383) [2024-11-19 03:41:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2750 transitions. [2024-11-19 03:41:59,800 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2750 transitions. Word has length 119 [2024-11-19 03:41:59,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:41:59,801 INFO L471 AbstractCegarLoop]: Abstraction has 1879 states and 2750 transitions. [2024-11-19 03:41:59,801 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), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-11-19 03:41:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2750 transitions. [2024-11-19 03:41:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-19 03:41:59,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:41:59,803 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 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] [2024-11-19 03:41:59,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 03:41:59,803 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:41:59,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:41:59,804 INFO L85 PathProgramCache]: Analyzing trace with hash -205402688, now seen corresponding path program 1 times [2024-11-19 03:41:59,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:41:59,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662842739] [2024-11-19 03:41:59,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:41:59,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:00,488 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-19 03:42:00,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:00,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662842739] [2024-11-19 03:42:00,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662842739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:00,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:00,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:00,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952256751] [2024-11-19 03:42:00,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:00,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:00,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:00,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:00,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:00,491 INFO L87 Difference]: Start difference. First operand 1879 states and 2750 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:04,514 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 03:42:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:04,702 INFO L93 Difference]: Finished difference Result 5437 states and 8003 transitions. [2024-11-19 03:42:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:04,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 143 [2024-11-19 03:42:04,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:04,722 INFO L225 Difference]: With dead ends: 5437 [2024-11-19 03:42:04,722 INFO L226 Difference]: Without dead ends: 3598 [2024-11-19 03:42:04,733 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 03:42:04,734 INFO L432 NwaCegarLoop]: 2983 mSDtfsCounter, 2564 mSDsluCounter, 2577 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2564 SdHoareTripleChecker+Valid, 5560 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:04,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2564 Valid, 5560 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:42:04,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3598 states. [2024-11-19 03:42:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3598 to 3586. [2024-11-19 03:42:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2719 states have (on average 1.4078705406399412) internal successors, (3828), 2738 states have internal predecessors, (3828), 734 states have call successors, (734), 133 states have call predecessors, (734), 132 states have return successors, (723), 720 states have call predecessors, (723), 723 states have call successors, (723) [2024-11-19 03:42:04,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 5285 transitions. [2024-11-19 03:42:04,974 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 5285 transitions. Word has length 143 [2024-11-19 03:42:04,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:04,974 INFO L471 AbstractCegarLoop]: Abstraction has 3586 states and 5285 transitions. [2024-11-19 03:42:04,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:04,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 5285 transitions. [2024-11-19 03:42:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-19 03:42:04,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:04,977 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:04,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 03:42:04,977 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:04,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:04,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1183849527, now seen corresponding path program 1 times [2024-11-19 03:42:04,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:04,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893889591] [2024-11-19 03:42:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:04,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:05,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:05,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893889591] [2024-11-19 03:42:05,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893889591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:05,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:05,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:05,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805812470] [2024-11-19 03:42:05,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:05,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:05,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:05,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:05,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:05,598 INFO L87 Difference]: Start difference. First operand 3586 states and 5285 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:05,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:05,750 INFO L93 Difference]: Finished difference Result 3588 states and 5286 transitions. [2024-11-19 03:42:05,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:05,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 173 [2024-11-19 03:42:05,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:05,785 INFO L225 Difference]: With dead ends: 3588 [2024-11-19 03:42:05,789 INFO L226 Difference]: Without dead ends: 3585 [2024-11-19 03:42:05,792 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 03:42:05,797 INFO L432 NwaCegarLoop]: 2645 mSDtfsCounter, 2599 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 2645 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:05,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 2645 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:05,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3585 states. [2024-11-19 03:42:05,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3585. [2024-11-19 03:42:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3585 states, 2719 states have (on average 1.4075027583670467) internal successors, (3827), 2737 states have internal predecessors, (3827), 733 states have call successors, (733), 133 states have call predecessors, (733), 132 states have return successors, (723), 720 states have call predecessors, (723), 723 states have call successors, (723) [2024-11-19 03:42:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 5283 transitions. [2024-11-19 03:42:06,034 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 5283 transitions. Word has length 173 [2024-11-19 03:42:06,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:06,038 INFO L471 AbstractCegarLoop]: Abstraction has 3585 states and 5283 transitions. [2024-11-19 03:42:06,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 5283 transitions. [2024-11-19 03:42:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-19 03:42:06,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:06,044 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:06,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 03:42:06,044 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:06,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:06,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1955887182, now seen corresponding path program 1 times [2024-11-19 03:42:06,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:06,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365981057] [2024-11-19 03:42:06,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:06,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:06,485 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:06,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365981057] [2024-11-19 03:42:06,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365981057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:06,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:06,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:06,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551819616] [2024-11-19 03:42:06,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:06,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:06,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:06,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:06,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:06,487 INFO L87 Difference]: Start difference. First operand 3585 states and 5283 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:06,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:06,559 INFO L93 Difference]: Finished difference Result 3587 states and 5284 transitions. [2024-11-19 03:42:06,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:06,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 174 [2024-11-19 03:42:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:06,576 INFO L225 Difference]: With dead ends: 3587 [2024-11-19 03:42:06,576 INFO L226 Difference]: Without dead ends: 3584 [2024-11-19 03:42:06,579 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 03:42:06,580 INFO L432 NwaCegarLoop]: 2643 mSDtfsCounter, 2596 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2596 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:06,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2596 Valid, 2643 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2024-11-19 03:42:06,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 3584. [2024-11-19 03:42:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 2719 states have (on average 1.4071349760941523) internal successors, (3826), 2736 states have internal predecessors, (3826), 732 states have call successors, (732), 133 states have call predecessors, (732), 132 states have return successors, (723), 720 states have call predecessors, (723), 723 states have call successors, (723) [2024-11-19 03:42:06,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 5281 transitions. [2024-11-19 03:42:06,757 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 5281 transitions. Word has length 174 [2024-11-19 03:42:06,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:06,758 INFO L471 AbstractCegarLoop]: Abstraction has 3584 states and 5281 transitions. [2024-11-19 03:42:06,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:06,758 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 5281 transitions. [2024-11-19 03:42:06,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-19 03:42:06,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:06,759 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:06,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 03:42:06,760 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:06,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:06,761 INFO L85 PathProgramCache]: Analyzing trace with hash -503472486, now seen corresponding path program 1 times [2024-11-19 03:42:06,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:06,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69460286] [2024-11-19 03:42:06,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:06,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:07,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:07,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69460286] [2024-11-19 03:42:07,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69460286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:07,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:07,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:07,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393962523] [2024-11-19 03:42:07,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:07,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:07,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:07,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:07,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:07,162 INFO L87 Difference]: Start difference. First operand 3584 states and 5281 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:07,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:07,243 INFO L93 Difference]: Finished difference Result 3621 states and 5313 transitions. [2024-11-19 03:42:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 175 [2024-11-19 03:42:07,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:07,257 INFO L225 Difference]: With dead ends: 3621 [2024-11-19 03:42:07,257 INFO L226 Difference]: Without dead ends: 3617 [2024-11-19 03:42:07,258 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 03:42:07,258 INFO L432 NwaCegarLoop]: 2638 mSDtfsCounter, 233 mSDsluCounter, 2380 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 5018 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:07,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 5018 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:07,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2024-11-19 03:42:07,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 3615. [2024-11-19 03:42:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3615 states, 2740 states have (on average 1.4032846715328466) internal successors, (3845), 2755 states have internal predecessors, (3845), 734 states have call successors, (734), 141 states have call predecessors, (734), 140 states have return successors, (727), 724 states have call predecessors, (727), 727 states have call successors, (727) [2024-11-19 03:42:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 5306 transitions. [2024-11-19 03:42:07,390 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 5306 transitions. Word has length 175 [2024-11-19 03:42:07,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:07,391 INFO L471 AbstractCegarLoop]: Abstraction has 3615 states and 5306 transitions. [2024-11-19 03:42:07,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 5306 transitions. [2024-11-19 03:42:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-19 03:42:07,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:07,396 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:07,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 03:42:07,396 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:07,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:07,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1571714997, now seen corresponding path program 1 times [2024-11-19 03:42:07,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:07,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979575937] [2024-11-19 03:42:07,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:07,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:07,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:07,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979575937] [2024-11-19 03:42:07,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979575937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:07,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:07,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:07,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74978777] [2024-11-19 03:42:07,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:07,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:07,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:07,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:07,935 INFO L87 Difference]: Start difference. First operand 3615 states and 5306 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:08,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:08,163 INFO L93 Difference]: Finished difference Result 10393 states and 15328 transitions. [2024-11-19 03:42:08,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:08,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2024-11-19 03:42:08,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:08,203 INFO L225 Difference]: With dead ends: 10393 [2024-11-19 03:42:08,203 INFO L226 Difference]: Without dead ends: 6818 [2024-11-19 03:42:08,227 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 03:42:08,228 INFO L432 NwaCegarLoop]: 3787 mSDtfsCounter, 2373 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2373 SdHoareTripleChecker+Valid, 6320 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:08,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2373 Valid, 6320 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:08,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6818 states. [2024-11-19 03:42:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6818 to 6784. [2024-11-19 03:42:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6784 states, 5166 states have (on average 1.40495547812621) internal successors, (7258), 5213 states have internal predecessors, (7258), 1359 states have call successors, (1359), 264 states have call predecessors, (1359), 258 states have return successors, (1388), 1314 states have call predecessors, (1388), 1346 states have call successors, (1388) [2024-11-19 03:42:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6784 states to 6784 states and 10005 transitions. [2024-11-19 03:42:08,598 INFO L78 Accepts]: Start accepts. Automaton has 6784 states and 10005 transitions. Word has length 176 [2024-11-19 03:42:08,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:08,601 INFO L471 AbstractCegarLoop]: Abstraction has 6784 states and 10005 transitions. [2024-11-19 03:42:08,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 6784 states and 10005 transitions. [2024-11-19 03:42:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-19 03:42:08,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:08,603 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:08,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 03:42:08,603 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:08,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:08,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1478022397, now seen corresponding path program 1 times [2024-11-19 03:42:08,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:08,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085652113] [2024-11-19 03:42:08,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:08,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:09,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:09,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085652113] [2024-11-19 03:42:09,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085652113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:09,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:09,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:09,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459026456] [2024-11-19 03:42:09,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:09,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:09,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:09,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:09,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:09,286 INFO L87 Difference]: Start difference. First operand 6784 states and 10005 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:09,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:09,445 INFO L93 Difference]: Finished difference Result 6786 states and 10006 transitions. [2024-11-19 03:42:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:09,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 177 [2024-11-19 03:42:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:09,491 INFO L225 Difference]: With dead ends: 6786 [2024-11-19 03:42:09,491 INFO L226 Difference]: Without dead ends: 6754 [2024-11-19 03:42:09,497 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 03:42:09,498 INFO L432 NwaCegarLoop]: 2638 mSDtfsCounter, 2587 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2587 SdHoareTripleChecker+Valid, 2638 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:09,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2587 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:09,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6754 states. [2024-11-19 03:42:09,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6754 to 6754. [2024-11-19 03:42:09,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6754 states, 5146 states have (on average 1.405169063350175) internal successors, (7231), 5192 states have internal predecessors, (7231), 1353 states have call successors, (1353), 260 states have call predecessors, (1353), 254 states have return successors, (1383), 1309 states have call predecessors, (1383), 1341 states have call successors, (1383) [2024-11-19 03:42:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6754 states to 6754 states and 9967 transitions. [2024-11-19 03:42:09,794 INFO L78 Accepts]: Start accepts. Automaton has 6754 states and 9967 transitions. Word has length 177 [2024-11-19 03:42:09,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:09,796 INFO L471 AbstractCegarLoop]: Abstraction has 6754 states and 9967 transitions. [2024-11-19 03:42:09,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-19 03:42:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 6754 states and 9967 transitions. [2024-11-19 03:42:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-19 03:42:09,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:09,799 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:09,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 03:42:09,800 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:09,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:09,800 INFO L85 PathProgramCache]: Analyzing trace with hash 814887082, now seen corresponding path program 1 times [2024-11-19 03:42:09,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:09,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989024501] [2024-11-19 03:42:09,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:09,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:10,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:10,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989024501] [2024-11-19 03:42:10,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989024501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:10,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:10,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:10,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871649457] [2024-11-19 03:42:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:10,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:10,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:10,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:10,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:10,323 INFO L87 Difference]: Start difference. First operand 6754 states and 9967 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:42:14,347 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 03:42:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:14,571 INFO L93 Difference]: Finished difference Result 10316 states and 15165 transitions. [2024-11-19 03:42:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:14,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 198 [2024-11-19 03:42:14,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:14,587 INFO L225 Difference]: With dead ends: 10316 [2024-11-19 03:42:14,587 INFO L226 Difference]: Without dead ends: 3600 [2024-11-19 03:42:14,612 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 03:42:14,614 INFO L432 NwaCegarLoop]: 2643 mSDtfsCounter, 8 mSDsluCounter, 2631 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5274 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:14,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5274 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 03:42:14,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2024-11-19 03:42:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3591. [2024-11-19 03:42:14,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3591 states, 2720 states have (on average 1.3911764705882352) internal successors, (3784), 2741 states have internal predecessors, (3784), 720 states have call successors, (720), 154 states have call predecessors, (720), 150 states have return successors, (729), 699 states have call predecessors, (729), 708 states have call successors, (729) [2024-11-19 03:42:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3591 states and 5233 transitions. [2024-11-19 03:42:14,745 INFO L78 Accepts]: Start accepts. Automaton has 3591 states and 5233 transitions. Word has length 198 [2024-11-19 03:42:14,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:14,745 INFO L471 AbstractCegarLoop]: Abstraction has 3591 states and 5233 transitions. [2024-11-19 03:42:14,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-19 03:42:14,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3591 states and 5233 transitions. [2024-11-19 03:42:14,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-19 03:42:14,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:14,749 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 03:42:14,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 03:42:14,749 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:14,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:14,752 INFO L85 PathProgramCache]: Analyzing trace with hash -408138708, now seen corresponding path program 1 times [2024-11-19 03:42:14,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:14,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782330679] [2024-11-19 03:42:14,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:14,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-19 03:42:15,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:15,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782330679] [2024-11-19 03:42:15,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782330679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:15,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:15,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504662013] [2024-11-19 03:42:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:15,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:15,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:15,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:15,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:15,366 INFO L87 Difference]: Start difference. First operand 3591 states and 5233 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:42:19,389 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 03:42:19,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:19,498 INFO L93 Difference]: Finished difference Result 3595 states and 5235 transitions. [2024-11-19 03:42:19,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:19,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 204 [2024-11-19 03:42:19,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:19,512 INFO L225 Difference]: With dead ends: 3595 [2024-11-19 03:42:19,513 INFO L226 Difference]: Without dead ends: 3592 [2024-11-19 03:42:19,515 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 03:42:19,515 INFO L432 NwaCegarLoop]: 2659 mSDtfsCounter, 2372 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:19,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 2935 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 03:42:19,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3592 states. [2024-11-19 03:42:19,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3592 to 3590. [2024-11-19 03:42:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 2720 states have (on average 1.3904411764705882) internal successors, (3782), 2740 states have internal predecessors, (3782), 719 states have call successors, (719), 154 states have call predecessors, (719), 150 states have return successors, (729), 699 states have call predecessors, (729), 708 states have call successors, (729) [2024-11-19 03:42:19,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 5230 transitions. [2024-11-19 03:42:19,646 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 5230 transitions. Word has length 204 [2024-11-19 03:42:19,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:19,646 INFO L471 AbstractCegarLoop]: Abstraction has 3590 states and 5230 transitions. [2024-11-19 03:42:19,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 03:42:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 5230 transitions. [2024-11-19 03:42:19,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2024-11-19 03:42:19,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:19,650 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:19,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 03:42:19,651 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:19,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1783460060, now seen corresponding path program 1 times [2024-11-19 03:42:19,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:19,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670330831] [2024-11-19 03:42:19,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-19 03:42:20,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670330831] [2024-11-19 03:42:20,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670330831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:20,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:20,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:20,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31553365] [2024-11-19 03:42:20,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:20,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:20,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:20,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:20,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:20,218 INFO L87 Difference]: Start difference. First operand 3590 states and 5230 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 03:42:24,235 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 03:42:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:24,432 INFO L93 Difference]: Finished difference Result 7287 states and 10601 transitions. [2024-11-19 03:42:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:24,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 267 [2024-11-19 03:42:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:24,448 INFO L225 Difference]: With dead ends: 7287 [2024-11-19 03:42:24,449 INFO L226 Difference]: Without dead ends: 3770 [2024-11-19 03:42:24,461 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 03:42:24,462 INFO L432 NwaCegarLoop]: 2706 mSDtfsCounter, 184 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 5262 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:24,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 5262 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:42:24,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3770 states. [2024-11-19 03:42:24,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3770 to 3742. [2024-11-19 03:42:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 2850 states have (on average 1.387017543859649) internal successors, (3953), 2870 states have internal predecessors, (3953), 729 states have call successors, (729), 166 states have call predecessors, (729), 162 states have return successors, (739), 709 states have call predecessors, (739), 718 states have call successors, (739) [2024-11-19 03:42:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 5421 transitions. [2024-11-19 03:42:24,605 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 5421 transitions. Word has length 267 [2024-11-19 03:42:24,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:24,607 INFO L471 AbstractCegarLoop]: Abstraction has 3742 states and 5421 transitions. [2024-11-19 03:42:24,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 03:42:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 5421 transitions. [2024-11-19 03:42:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2024-11-19 03:42:24,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:24,612 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:24,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 03:42:24,612 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:24,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:24,612 INFO L85 PathProgramCache]: Analyzing trace with hash 399722810, now seen corresponding path program 1 times [2024-11-19 03:42:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:24,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418402221] [2024-11-19 03:42:24,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:24,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-19 03:42:25,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:25,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418402221] [2024-11-19 03:42:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418402221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:25,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:25,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:25,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150111191] [2024-11-19 03:42:25,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:25,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:25,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:25,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:25,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:25,108 INFO L87 Difference]: Start difference. First operand 3742 states and 5421 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:42:25,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:25,338 INFO L93 Difference]: Finished difference Result 7413 states and 10761 transitions. [2024-11-19 03:42:25,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:25,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 298 [2024-11-19 03:42:25,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:25,357 INFO L225 Difference]: With dead ends: 7413 [2024-11-19 03:42:25,357 INFO L226 Difference]: Without dead ends: 3744 [2024-11-19 03:42:25,377 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 03:42:25,377 INFO L432 NwaCegarLoop]: 2634 mSDtfsCounter, 0 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5264 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:25,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5264 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:25,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2024-11-19 03:42:25,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3744. [2024-11-19 03:42:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3744 states, 2852 states have (on average 1.3867461430575034) internal successors, (3955), 2872 states have internal predecessors, (3955), 729 states have call successors, (729), 166 states have call predecessors, (729), 162 states have return successors, (739), 709 states have call predecessors, (739), 718 states have call successors, (739) [2024-11-19 03:42:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 5423 transitions. [2024-11-19 03:42:25,588 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 5423 transitions. Word has length 298 [2024-11-19 03:42:25,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:25,589 INFO L471 AbstractCegarLoop]: Abstraction has 3744 states and 5423 transitions. [2024-11-19 03:42:25,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-19 03:42:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 5423 transitions. [2024-11-19 03:42:25,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-19 03:42:25,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:25,595 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 03:42:25,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 03:42:25,595 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:25,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:25,595 INFO L85 PathProgramCache]: Analyzing trace with hash 17963404, now seen corresponding path program 1 times [2024-11-19 03:42:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:25,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415638113] [2024-11-19 03:42:25,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:25,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-19 03:42:26,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:26,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415638113] [2024-11-19 03:42:26,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415638113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:26,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:26,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:42:26,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176053718] [2024-11-19 03:42:26,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:26,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:42:26,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:26,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:42:26,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:42:26,607 INFO L87 Difference]: Start difference. First operand 3744 states and 5423 transitions. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 03:42:30,631 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 03:42:30,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:30,812 INFO L93 Difference]: Finished difference Result 7383 states and 10715 transitions. [2024-11-19 03:42:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:42:30,813 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 280 [2024-11-19 03:42:30,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:30,830 INFO L225 Difference]: With dead ends: 7383 [2024-11-19 03:42:30,831 INFO L226 Difference]: Without dead ends: 3678 [2024-11-19 03:42:30,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:42:30,844 INFO L432 NwaCegarLoop]: 2638 mSDtfsCounter, 9 mSDsluCounter, 7893 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10531 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:30,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10531 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-19 03:42:30,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3678 states. [2024-11-19 03:42:31,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3678 to 3663. [2024-11-19 03:42:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3663 states, 2802 states have (on average 1.3911491791577444) internal successors, (3898), 2822 states have internal predecessors, (3898), 710 states have call successors, (710), 154 states have call predecessors, (710), 150 states have return successors, (720), 690 states have call predecessors, (720), 699 states have call successors, (720) [2024-11-19 03:42:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3663 states and 5328 transitions. [2024-11-19 03:42:31,079 INFO L78 Accepts]: Start accepts. Automaton has 3663 states and 5328 transitions. Word has length 280 [2024-11-19 03:42:31,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:31,079 INFO L471 AbstractCegarLoop]: Abstraction has 3663 states and 5328 transitions. [2024-11-19 03:42:31,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-19 03:42:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 5328 transitions. [2024-11-19 03:42:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-19 03:42:31,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:31,084 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:31,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 03:42:31,084 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:31,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:31,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1107987761, now seen corresponding path program 1 times [2024-11-19 03:42:31,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:31,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507656167] [2024-11-19 03:42:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:31,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 03:42:31,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:31,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507656167] [2024-11-19 03:42:31,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507656167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:31,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:31,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:42:31,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409395546] [2024-11-19 03:42:31,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:31,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:42:31,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:31,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:42:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:42:31,755 INFO L87 Difference]: Start difference. First operand 3663 states and 5328 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:31,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:31,876 INFO L93 Difference]: Finished difference Result 7249 states and 10574 transitions. [2024-11-19 03:42:31,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:42:31,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 312 [2024-11-19 03:42:31,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:31,892 INFO L225 Difference]: With dead ends: 7249 [2024-11-19 03:42:31,892 INFO L226 Difference]: Without dead ends: 3663 [2024-11-19 03:42:31,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:42:31,906 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 0 mSDsluCounter, 7890 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10522 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:31,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10522 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:31,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3663 states. [2024-11-19 03:42:32,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3663 to 3663. [2024-11-19 03:42:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3663 states, 2802 states have (on average 1.3907922912205568) internal successors, (3897), 2822 states have internal predecessors, (3897), 710 states have call successors, (710), 154 states have call predecessors, (710), 150 states have return successors, (720), 690 states have call predecessors, (720), 699 states have call successors, (720) [2024-11-19 03:42:32,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3663 states and 5327 transitions. [2024-11-19 03:42:32,032 INFO L78 Accepts]: Start accepts. Automaton has 3663 states and 5327 transitions. Word has length 312 [2024-11-19 03:42:32,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:32,033 INFO L471 AbstractCegarLoop]: Abstraction has 3663 states and 5327 transitions. [2024-11-19 03:42:32,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 5327 transitions. [2024-11-19 03:42:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-19 03:42:32,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:32,037 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:32,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 03:42:32,038 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:32,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:32,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1192834829, now seen corresponding path program 1 times [2024-11-19 03:42:32,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:32,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59961375] [2024-11-19 03:42:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:32,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:32,652 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 03:42:32,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:32,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59961375] [2024-11-19 03:42:32,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59961375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:32,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:32,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:32,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834211198] [2024-11-19 03:42:32,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:32,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:32,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:32,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:32,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:32,654 INFO L87 Difference]: Start difference. First operand 3663 states and 5327 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:36,671 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 03:42:36,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:36,820 INFO L93 Difference]: Finished difference Result 7251 states and 10569 transitions. [2024-11-19 03:42:36,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:36,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 312 [2024-11-19 03:42:36,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:36,835 INFO L225 Difference]: With dead ends: 7251 [2024-11-19 03:42:36,836 INFO L226 Difference]: Without dead ends: 3665 [2024-11-19 03:42:36,847 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 03:42:36,848 INFO L432 NwaCegarLoop]: 4188 mSDtfsCounter, 2514 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 6535 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:36,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 6535 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-19 03:42:36,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3665 states. [2024-11-19 03:42:36,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3665 to 3663. [2024-11-19 03:42:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3663 states, 2802 states have (on average 1.3893647394718058) internal successors, (3893), 2822 states have internal predecessors, (3893), 710 states have call successors, (710), 154 states have call predecessors, (710), 150 states have return successors, (700), 690 states have call predecessors, (700), 690 states have call successors, (700) [2024-11-19 03:42:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3663 states and 5303 transitions. [2024-11-19 03:42:36,972 INFO L78 Accepts]: Start accepts. Automaton has 3663 states and 5303 transitions. Word has length 312 [2024-11-19 03:42:36,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:36,972 INFO L471 AbstractCegarLoop]: Abstraction has 3663 states and 5303 transitions. [2024-11-19 03:42:36,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:36,973 INFO L276 IsEmpty]: Start isEmpty. Operand 3663 states and 5303 transitions. [2024-11-19 03:42:36,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-19 03:42:36,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:36,977 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:36,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 03:42:36,978 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:36,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:36,978 INFO L85 PathProgramCache]: Analyzing trace with hash -685285935, now seen corresponding path program 1 times [2024-11-19 03:42:36,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:36,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156986371] [2024-11-19 03:42:36,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:36,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 03:42:37,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156986371] [2024-11-19 03:42:37,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156986371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:37,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:37,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:37,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099575546] [2024-11-19 03:42:37,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:37,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:37,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:37,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:37,517 INFO L87 Difference]: Start difference. First operand 3663 states and 5303 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:42:37,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:37,762 INFO L93 Difference]: Finished difference Result 7287 states and 10568 transitions. [2024-11-19 03:42:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:37,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 312 [2024-11-19 03:42:37,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:37,788 INFO L225 Difference]: With dead ends: 7287 [2024-11-19 03:42:37,789 INFO L226 Difference]: Without dead ends: 3701 [2024-11-19 03:42:37,797 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 03:42:37,798 INFO L432 NwaCegarLoop]: 2612 mSDtfsCounter, 8 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5205 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:37,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5205 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:42:37,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2024-11-19 03:42:37,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3701. [2024-11-19 03:42:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3701 states, 2840 states have (on average 1.383450704225352) internal successors, (3929), 2860 states have internal predecessors, (3929), 710 states have call successors, (710), 154 states have call predecessors, (710), 150 states have return successors, (700), 690 states have call predecessors, (700), 690 states have call successors, (700) [2024-11-19 03:42:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 3701 states and 5339 transitions. [2024-11-19 03:42:37,923 INFO L78 Accepts]: Start accepts. Automaton has 3701 states and 5339 transitions. Word has length 312 [2024-11-19 03:42:37,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:37,924 INFO L471 AbstractCegarLoop]: Abstraction has 3701 states and 5339 transitions. [2024-11-19 03:42:37,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-19 03:42:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3701 states and 5339 transitions. [2024-11-19 03:42:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-19 03:42:37,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:37,928 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:37,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 03:42:37,929 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:37,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:37,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1733198543, now seen corresponding path program 1 times [2024-11-19 03:42:37,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:37,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454997827] [2024-11-19 03:42:37,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 03:42:38,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:38,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454997827] [2024-11-19 03:42:38,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454997827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:38,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:38,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:38,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601408537] [2024-11-19 03:42:38,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:38,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:38,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:38,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:38,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:38,522 INFO L87 Difference]: Start difference. First operand 3701 states and 5339 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:38,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:38,664 INFO L93 Difference]: Finished difference Result 7330 states and 10592 transitions. [2024-11-19 03:42:38,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:38,665 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 312 [2024-11-19 03:42:38,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:38,679 INFO L225 Difference]: With dead ends: 7330 [2024-11-19 03:42:38,679 INFO L226 Difference]: Without dead ends: 3706 [2024-11-19 03:42:38,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:38,687 INFO L432 NwaCegarLoop]: 2637 mSDtfsCounter, 0 mSDsluCounter, 10529 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13166 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:38,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13166 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:38,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2024-11-19 03:42:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3706. [2024-11-19 03:42:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3706 states, 2844 states have (on average 1.3829113924050633) internal successors, (3933), 2864 states have internal predecessors, (3933), 710 states have call successors, (710), 154 states have call predecessors, (710), 151 states have return successors, (703), 691 states have call predecessors, (703), 690 states have call successors, (703) [2024-11-19 03:42:38,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 3706 states and 5346 transitions. [2024-11-19 03:42:38,938 INFO L78 Accepts]: Start accepts. Automaton has 3706 states and 5346 transitions. Word has length 312 [2024-11-19 03:42:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:38,939 INFO L471 AbstractCegarLoop]: Abstraction has 3706 states and 5346 transitions. [2024-11-19 03:42:38,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 5346 transitions. [2024-11-19 03:42:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-19 03:42:38,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:38,943 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:38,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 03:42:38,944 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:38,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash -260946163, now seen corresponding path program 1 times [2024-11-19 03:42:38,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:38,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967506375] [2024-11-19 03:42:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:38,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 03:42:39,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:39,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967506375] [2024-11-19 03:42:39,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967506375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:39,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:39,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 03:42:39,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411337493] [2024-11-19 03:42:39,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:39,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 03:42:39,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:39,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 03:42:39,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:42:39,792 INFO L87 Difference]: Start difference. First operand 3706 states and 5346 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:39,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:39,971 INFO L93 Difference]: Finished difference Result 7335 states and 10601 transitions. [2024-11-19 03:42:39,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 03:42:39,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) Word has length 312 [2024-11-19 03:42:39,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:39,992 INFO L225 Difference]: With dead ends: 7335 [2024-11-19 03:42:39,992 INFO L226 Difference]: Without dead ends: 3706 [2024-11-19 03:42:40,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 03:42:40,005 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 0 mSDsluCounter, 7886 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10518 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:40,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10518 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3706 states. [2024-11-19 03:42:40,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3706 to 3706. [2024-11-19 03:42:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3706 states, 2844 states have (on average 1.3825597749648382) internal successors, (3932), 2864 states have internal predecessors, (3932), 710 states have call successors, (710), 154 states have call predecessors, (710), 151 states have return successors, (703), 691 states have call predecessors, (703), 690 states have call successors, (703) [2024-11-19 03:42:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3706 states to 3706 states and 5345 transitions. [2024-11-19 03:42:40,153 INFO L78 Accepts]: Start accepts. Automaton has 3706 states and 5345 transitions. Word has length 312 [2024-11-19 03:42:40,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:40,154 INFO L471 AbstractCegarLoop]: Abstraction has 3706 states and 5345 transitions. [2024-11-19 03:42:40,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-19 03:42:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3706 states and 5345 transitions. [2024-11-19 03:42:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2024-11-19 03:42:40,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:40,158 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:40,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 03:42:40,158 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:40,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:40,159 INFO L85 PathProgramCache]: Analyzing trace with hash -771276618, now seen corresponding path program 1 times [2024-11-19 03:42:40,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:40,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4396891] [2024-11-19 03:42:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:40,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-19 03:42:40,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:40,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4396891] [2024-11-19 03:42:40,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4396891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:40,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:40,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:40,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675190040] [2024-11-19 03:42:40,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:40,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:40,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:40,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:40,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:40,873 INFO L87 Difference]: Start difference. First operand 3706 states and 5345 transitions. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-19 03:42:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:41,086 INFO L93 Difference]: Finished difference Result 8180 states and 11951 transitions. [2024-11-19 03:42:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:41,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) Word has length 320 [2024-11-19 03:42:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:41,109 INFO L225 Difference]: With dead ends: 8180 [2024-11-19 03:42:41,109 INFO L226 Difference]: Without dead ends: 4551 [2024-11-19 03:42:41,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:41,120 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 588 mSDsluCounter, 10504 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 13136 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:41,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 13136 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:42:41,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2024-11-19 03:42:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 3729. [2024-11-19 03:42:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3729 states, 2863 states have (on average 1.3845616486203283) internal successors, (3964), 2885 states have internal predecessors, (3964), 713 states have call successors, (713), 154 states have call predecessors, (713), 152 states have return successors, (710), 693 states have call predecessors, (710), 693 states have call successors, (710) [2024-11-19 03:42:41,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3729 states and 5387 transitions. [2024-11-19 03:42:41,286 INFO L78 Accepts]: Start accepts. Automaton has 3729 states and 5387 transitions. Word has length 320 [2024-11-19 03:42:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:41,287 INFO L471 AbstractCegarLoop]: Abstraction has 3729 states and 5387 transitions. [2024-11-19 03:42:41,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 4 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 4 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-19 03:42:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3729 states and 5387 transitions. [2024-11-19 03:42:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-19 03:42:41,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:41,293 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:41,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 03:42:41,294 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:41,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1121335230, now seen corresponding path program 1 times [2024-11-19 03:42:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432275882] [2024-11-19 03:42:41,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:41,940 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-19 03:42:41,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:41,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432275882] [2024-11-19 03:42:41,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432275882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:41,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:41,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:41,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726503325] [2024-11-19 03:42:41,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:41,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:41,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:41,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:41,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:41,942 INFO L87 Difference]: Start difference. First operand 3729 states and 5387 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-19 03:42:42,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:42,169 INFO L93 Difference]: Finished difference Result 7397 states and 10704 transitions. [2024-11-19 03:42:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:42,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 303 [2024-11-19 03:42:42,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:42,183 INFO L225 Difference]: With dead ends: 7397 [2024-11-19 03:42:42,183 INFO L226 Difference]: Without dead ends: 3745 [2024-11-19 03:42:42,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:42,192 INFO L432 NwaCegarLoop]: 2638 mSDtfsCounter, 1 mSDsluCounter, 10532 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13170 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:42,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13170 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2024-11-19 03:42:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3737. [2024-11-19 03:42:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3737 states, 2869 states have (on average 1.383757406761938) internal successors, (3970), 2892 states have internal predecessors, (3970), 713 states have call successors, (713), 154 states have call predecessors, (713), 154 states have return successors, (716), 694 states have call predecessors, (716), 693 states have call successors, (716) [2024-11-19 03:42:42,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 3737 states and 5399 transitions. [2024-11-19 03:42:42,335 INFO L78 Accepts]: Start accepts. Automaton has 3737 states and 5399 transitions. Word has length 303 [2024-11-19 03:42:42,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:42,336 INFO L471 AbstractCegarLoop]: Abstraction has 3737 states and 5399 transitions. [2024-11-19 03:42:42,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-19 03:42:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3737 states and 5399 transitions. [2024-11-19 03:42:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-11-19 03:42:42,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:42,340 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:42,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 03:42:42,341 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:42,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:42,341 INFO L85 PathProgramCache]: Analyzing trace with hash -872809476, now seen corresponding path program 1 times [2024-11-19 03:42:42,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:42,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133163259] [2024-11-19 03:42:42,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:42,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-19 03:42:42,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:42,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133163259] [2024-11-19 03:42:42,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133163259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:42,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:42,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:42,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478957594] [2024-11-19 03:42:42,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:42,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:42,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:42,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:42,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:42,973 INFO L87 Difference]: Start difference. First operand 3737 states and 5399 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-19 03:42:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:43,141 INFO L93 Difference]: Finished difference Result 7134 states and 10292 transitions. [2024-11-19 03:42:43,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:43,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 1 states have call successors, (30) Word has length 303 [2024-11-19 03:42:43,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:43,166 INFO L225 Difference]: With dead ends: 7134 [2024-11-19 03:42:43,166 INFO L226 Difference]: Without dead ends: 3474 [2024-11-19 03:42:43,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:43,177 INFO L432 NwaCegarLoop]: 2630 mSDtfsCounter, 0 mSDsluCounter, 10514 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13144 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:43,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13144 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:43,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2024-11-19 03:42:43,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3474. [2024-11-19 03:42:43,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3474 states, 2665 states have (on average 1.376360225140713) internal successors, (3668), 2687 states have internal predecessors, (3668), 658 states have call successors, (658), 151 states have call predecessors, (658), 150 states have return successors, (657), 639 states have call predecessors, (657), 638 states have call successors, (657) [2024-11-19 03:42:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3474 states and 4983 transitions. [2024-11-19 03:42:43,309 INFO L78 Accepts]: Start accepts. Automaton has 3474 states and 4983 transitions. Word has length 303 [2024-11-19 03:42:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:43,309 INFO L471 AbstractCegarLoop]: Abstraction has 3474 states and 4983 transitions. [2024-11-19 03:42:43,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (30), 3 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-19 03:42:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 4983 transitions. [2024-11-19 03:42:43,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-19 03:42:43,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:43,314 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:43,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 03:42:43,314 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:43,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:43,315 INFO L85 PathProgramCache]: Analyzing trace with hash 296316840, now seen corresponding path program 1 times [2024-11-19 03:42:43,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:43,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040869781] [2024-11-19 03:42:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:43,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:43,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:43,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040869781] [2024-11-19 03:42:43,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040869781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:43,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:43,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:43,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078549152] [2024-11-19 03:42:43,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:43,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:43,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:43,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:43,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:43,951 INFO L87 Difference]: Start difference. First operand 3474 states and 4983 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:44,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:44,052 INFO L93 Difference]: Finished difference Result 6873 states and 9874 transitions. [2024-11-19 03:42:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:44,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 315 [2024-11-19 03:42:44,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:44,072 INFO L225 Difference]: With dead ends: 6873 [2024-11-19 03:42:44,072 INFO L226 Difference]: Without dead ends: 3476 [2024-11-19 03:42:44,081 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 03:42:44,082 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 0 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5258 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:44,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5258 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:44,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2024-11-19 03:42:44,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3476. [2024-11-19 03:42:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 2667 states have (on average 1.3760779902512186) internal successors, (3670), 2689 states have internal predecessors, (3670), 658 states have call successors, (658), 151 states have call predecessors, (658), 150 states have return successors, (657), 639 states have call predecessors, (657), 638 states have call successors, (657) [2024-11-19 03:42:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4985 transitions. [2024-11-19 03:42:44,201 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4985 transitions. Word has length 315 [2024-11-19 03:42:44,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:44,202 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 4985 transitions. [2024-11-19 03:42:44,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4985 transitions. [2024-11-19 03:42:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-19 03:42:44,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:44,206 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:44,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 03:42:44,207 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:44,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:44,207 INFO L85 PathProgramCache]: Analyzing trace with hash -2070377754, now seen corresponding path program 1 times [2024-11-19 03:42:44,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:44,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092326153] [2024-11-19 03:42:44,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:44,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:44,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:44,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092326153] [2024-11-19 03:42:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092326153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:44,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:44,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:44,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530933608] [2024-11-19 03:42:44,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:44,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:44,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:44,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:44,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:44,849 INFO L87 Difference]: Start difference. First operand 3476 states and 4985 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:45,047 INFO L93 Difference]: Finished difference Result 6877 states and 9877 transitions. [2024-11-19 03:42:45,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:45,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 315 [2024-11-19 03:42:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:45,076 INFO L225 Difference]: With dead ends: 6877 [2024-11-19 03:42:45,076 INFO L226 Difference]: Without dead ends: 3478 [2024-11-19 03:42:45,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:45,086 INFO L432 NwaCegarLoop]: 2637 mSDtfsCounter, 0 mSDsluCounter, 10531 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13168 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:45,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13168 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:45,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2024-11-19 03:42:45,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3478. [2024-11-19 03:42:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3478 states, 2669 states have (on average 1.375796178343949) internal successors, (3672), 2690 states have internal predecessors, (3672), 658 states have call successors, (658), 151 states have call predecessors, (658), 150 states have return successors, (657), 640 states have call predecessors, (657), 638 states have call successors, (657) [2024-11-19 03:42:45,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3478 states and 4987 transitions. [2024-11-19 03:42:45,348 INFO L78 Accepts]: Start accepts. Automaton has 3478 states and 4987 transitions. Word has length 315 [2024-11-19 03:42:45,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:45,348 INFO L471 AbstractCegarLoop]: Abstraction has 3478 states and 4987 transitions. [2024-11-19 03:42:45,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 5 states have internal predecessors, (152), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 4987 transitions. [2024-11-19 03:42:45,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-19 03:42:45,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:45,353 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:45,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 03:42:45,353 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:45,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:45,353 INFO L85 PathProgramCache]: Analyzing trace with hash -764860351, now seen corresponding path program 1 times [2024-11-19 03:42:45,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:45,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833198276] [2024-11-19 03:42:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:45,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:45,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833198276] [2024-11-19 03:42:45,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833198276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:45,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:45,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 03:42:45,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142700681] [2024-11-19 03:42:45,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:45,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 03:42:45,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:45,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 03:42:45,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 03:42:45,813 INFO L87 Difference]: Start difference. First operand 3478 states and 4987 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:45,919 INFO L93 Difference]: Finished difference Result 6881 states and 9882 transitions. [2024-11-19 03:42:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 03:42:45,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 316 [2024-11-19 03:42:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:45,940 INFO L225 Difference]: With dead ends: 6881 [2024-11-19 03:42:45,941 INFO L226 Difference]: Without dead ends: 3480 [2024-11-19 03:42:45,949 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 03:42:45,950 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 0 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5258 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:45,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5258 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:45,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3480 states. [2024-11-19 03:42:46,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3480 to 3480. [2024-11-19 03:42:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3480 states, 2671 states have (on average 1.3755147884687382) internal successors, (3674), 2692 states have internal predecessors, (3674), 658 states have call successors, (658), 151 states have call predecessors, (658), 150 states have return successors, (657), 640 states have call predecessors, (657), 638 states have call successors, (657) [2024-11-19 03:42:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 3480 states and 4989 transitions. [2024-11-19 03:42:46,064 INFO L78 Accepts]: Start accepts. Automaton has 3480 states and 4989 transitions. Word has length 316 [2024-11-19 03:42:46,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:46,065 INFO L471 AbstractCegarLoop]: Abstraction has 3480 states and 4989 transitions. [2024-11-19 03:42:46,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3480 states and 4989 transitions. [2024-11-19 03:42:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-19 03:42:46,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:46,069 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:46,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 03:42:46,070 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:46,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:46,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1163412351, now seen corresponding path program 1 times [2024-11-19 03:42:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:46,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862700759] [2024-11-19 03:42:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:46,716 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:46,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:46,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862700759] [2024-11-19 03:42:46,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862700759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:46,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:46,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:46,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236837430] [2024-11-19 03:42:46,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:46,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:46,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:46,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:46,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:46,718 INFO L87 Difference]: Start difference. First operand 3480 states and 4989 transitions. Second operand has 6 states, 6 states have (on average 25.5) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:46,948 INFO L93 Difference]: Finished difference Result 4094 states and 5815 transitions. [2024-11-19 03:42:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:46,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 316 [2024-11-19 03:42:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:46,968 INFO L225 Difference]: With dead ends: 4094 [2024-11-19 03:42:46,969 INFO L226 Difference]: Without dead ends: 3482 [2024-11-19 03:42:46,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:46,973 INFO L432 NwaCegarLoop]: 2637 mSDtfsCounter, 0 mSDsluCounter, 10531 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13168 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:46,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13168 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2024-11-19 03:42:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3482. [2024-11-19 03:42:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3482 states, 2673 states have (on average 1.375233819678264) internal successors, (3676), 2693 states have internal predecessors, (3676), 658 states have call successors, (658), 151 states have call predecessors, (658), 150 states have return successors, (657), 641 states have call predecessors, (657), 638 states have call successors, (657) [2024-11-19 03:42:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 3482 states and 4991 transitions. [2024-11-19 03:42:47,104 INFO L78 Accepts]: Start accepts. Automaton has 3482 states and 4991 transitions. Word has length 316 [2024-11-19 03:42:47,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:47,105 INFO L471 AbstractCegarLoop]: Abstraction has 3482 states and 4991 transitions. [2024-11-19 03:42:47,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.5) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 03:42:47,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3482 states and 4991 transitions. [2024-11-19 03:42:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-19 03:42:47,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:47,112 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:47,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 03:42:47,113 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:47,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:47,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1235444831, now seen corresponding path program 1 times [2024-11-19 03:42:47,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:47,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364268942] [2024-11-19 03:42:47,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:47,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:47,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364268942] [2024-11-19 03:42:47,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364268942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:47,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:47,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:47,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88275457] [2024-11-19 03:42:47,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:47,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:47,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:47,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:47,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:47,819 INFO L87 Difference]: Start difference. First operand 3482 states and 4991 transitions. Second operand has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 4 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-19 03:42:48,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:48,008 INFO L93 Difference]: Finished difference Result 6931 states and 9956 transitions. [2024-11-19 03:42:48,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:48,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 4 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 323 [2024-11-19 03:42:48,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:48,031 INFO L225 Difference]: With dead ends: 6931 [2024-11-19 03:42:48,031 INFO L226 Difference]: Without dead ends: 3526 [2024-11-19 03:42:48,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:48,041 INFO L432 NwaCegarLoop]: 2632 mSDtfsCounter, 19 mSDsluCounter, 10501 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 13133 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:48,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 13133 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 03:42:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3526 states. [2024-11-19 03:42:48,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3526 to 3491. [2024-11-19 03:42:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3491 states, 2679 states have (on average 1.3755132512131392) internal successors, (3685), 2700 states have internal predecessors, (3685), 661 states have call successors, (661), 151 states have call predecessors, (661), 150 states have return successors, (661), 643 states have call predecessors, (661), 641 states have call successors, (661) [2024-11-19 03:42:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 3491 states and 5007 transitions. [2024-11-19 03:42:48,171 INFO L78 Accepts]: Start accepts. Automaton has 3491 states and 5007 transitions. Word has length 323 [2024-11-19 03:42:48,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:48,171 INFO L471 AbstractCegarLoop]: Abstraction has 3491 states and 5007 transitions. [2024-11-19 03:42:48,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 4 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-19 03:42:48,172 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 5007 transitions. [2024-11-19 03:42:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-19 03:42:48,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:48,177 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:48,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 03:42:48,177 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:48,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:48,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1443794838, now seen corresponding path program 1 times [2024-11-19 03:42:48,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:48,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670980693] [2024-11-19 03:42:48,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:48,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:49,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:49,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670980693] [2024-11-19 03:42:49,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670980693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:49,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:49,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:49,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226721305] [2024-11-19 03:42:49,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:49,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:49,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:49,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:49,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:49,170 INFO L87 Difference]: Start difference. First operand 3491 states and 5007 transitions. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:42:49,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:49,367 INFO L93 Difference]: Finished difference Result 6642 states and 9498 transitions. [2024-11-19 03:42:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:49,368 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 324 [2024-11-19 03:42:49,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:49,387 INFO L225 Difference]: With dead ends: 6642 [2024-11-19 03:42:49,387 INFO L226 Difference]: Without dead ends: 3228 [2024-11-19 03:42:49,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:49,397 INFO L432 NwaCegarLoop]: 2592 mSDtfsCounter, 0 mSDsluCounter, 10351 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12943 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:49,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12943 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:49,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2024-11-19 03:42:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 3226. [2024-11-19 03:42:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3226 states, 2465 states have (on average 1.3634888438133874) internal successors, (3361), 2483 states have internal predecessors, (3361), 610 states have call successors, (610), 150 states have call predecessors, (610), 150 states have return successors, (612), 596 states have call predecessors, (612), 593 states have call successors, (612) [2024-11-19 03:42:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 4583 transitions. [2024-11-19 03:42:49,519 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 4583 transitions. Word has length 324 [2024-11-19 03:42:49,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:49,519 INFO L471 AbstractCegarLoop]: Abstraction has 3226 states and 4583 transitions. [2024-11-19 03:42:49,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:42:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 4583 transitions. [2024-11-19 03:42:49,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-19 03:42:49,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:49,524 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:49,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 03:42:49,524 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:49,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash -667998472, now seen corresponding path program 1 times [2024-11-19 03:42:49,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:49,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510399160] [2024-11-19 03:42:49,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:49,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:50,183 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:50,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:50,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510399160] [2024-11-19 03:42:50,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510399160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:50,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:50,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:50,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934151085] [2024-11-19 03:42:50,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:50,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:50,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:50,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:50,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:50,186 INFO L87 Difference]: Start difference. First operand 3226 states and 4583 transitions. Second operand has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 4 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-19 03:42:50,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:50,523 INFO L93 Difference]: Finished difference Result 6418 states and 9138 transitions. [2024-11-19 03:42:50,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:50,527 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 4 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 324 [2024-11-19 03:42:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:50,567 INFO L225 Difference]: With dead ends: 6418 [2024-11-19 03:42:50,567 INFO L226 Difference]: Without dead ends: 3269 [2024-11-19 03:42:50,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:50,583 INFO L432 NwaCegarLoop]: 2587 mSDtfsCounter, 20 mSDsluCounter, 10321 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 12908 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:50,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 12908 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:50,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2024-11-19 03:42:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3235. [2024-11-19 03:42:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3235 states, 2471 states have (on average 1.3638203156616755) internal successors, (3370), 2490 states have internal predecessors, (3370), 613 states have call successors, (613), 150 states have call predecessors, (613), 150 states have return successors, (616), 598 states have call predecessors, (616), 596 states have call successors, (616) [2024-11-19 03:42:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 4599 transitions. [2024-11-19 03:42:50,701 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 4599 transitions. Word has length 324 [2024-11-19 03:42:50,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:50,702 INFO L471 AbstractCegarLoop]: Abstraction has 3235 states and 4599 transitions. [2024-11-19 03:42:50,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 4 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-11-19 03:42:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 4599 transitions. [2024-11-19 03:42:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-19 03:42:50,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:50,707 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:50,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 03:42:50,707 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash 332964807, now seen corresponding path program 1 times [2024-11-19 03:42:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:50,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587808897] [2024-11-19 03:42:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:51,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:51,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587808897] [2024-11-19 03:42:51,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587808897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:51,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:51,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:51,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589629508] [2024-11-19 03:42:51,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:51,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:51,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:51,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:51,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:51,293 INFO L87 Difference]: Start difference. First operand 3235 states and 4599 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:42:51,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:51,416 INFO L93 Difference]: Finished difference Result 6092 states and 8671 transitions. [2024-11-19 03:42:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:51,417 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) Word has length 325 [2024-11-19 03:42:51,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:51,436 INFO L225 Difference]: With dead ends: 6092 [2024-11-19 03:42:51,436 INFO L226 Difference]: Without dead ends: 2934 [2024-11-19 03:42:51,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:51,445 INFO L432 NwaCegarLoop]: 2592 mSDtfsCounter, 0 mSDsluCounter, 10351 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12943 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:51,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12943 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:51,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2024-11-19 03:42:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2932. [2024-11-19 03:42:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2244 states have (on average 1.3645276292335116) internal successors, (3062), 2262 states have internal predecessors, (3062), 549 states have call successors, (549), 138 states have call predecessors, (549), 138 states have return successors, (553), 535 states have call predecessors, (553), 533 states have call successors, (553) [2024-11-19 03:42:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 4164 transitions. [2024-11-19 03:42:51,543 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 4164 transitions. Word has length 325 [2024-11-19 03:42:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:51,543 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 4164 transitions. [2024-11-19 03:42:51,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-19 03:42:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 4164 transitions. [2024-11-19 03:42:51,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-19 03:42:51,551 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:51,551 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:51,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 03:42:51,551 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:51,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1493914101, now seen corresponding path program 1 times [2024-11-19 03:42:51,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:51,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661616564] [2024-11-19 03:42:51,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:51,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-19 03:42:52,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:52,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661616564] [2024-11-19 03:42:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661616564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:52,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:52,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375783369] [2024-11-19 03:42:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:52,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:52,235 INFO L87 Difference]: Start difference. First operand 2932 states and 4164 transitions. Second operand has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-19 03:42:52,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:52,393 INFO L93 Difference]: Finished difference Result 3740 states and 5266 transitions. [2024-11-19 03:42:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:52,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) Word has length 336 [2024-11-19 03:42:52,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:52,415 INFO L225 Difference]: With dead ends: 3740 [2024-11-19 03:42:52,416 INFO L226 Difference]: Without dead ends: 2932 [2024-11-19 03:42:52,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:52,421 INFO L432 NwaCegarLoop]: 2585 mSDtfsCounter, 7 mSDsluCounter, 10310 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12895 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:52,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12895 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:52,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2024-11-19 03:42:52,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2932. [2024-11-19 03:42:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2244 states have (on average 1.3640819964349375) internal successors, (3061), 2262 states have internal predecessors, (3061), 549 states have call successors, (549), 138 states have call predecessors, (549), 138 states have return successors, (553), 535 states have call predecessors, (553), 533 states have call successors, (553) [2024-11-19 03:42:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 4163 transitions. [2024-11-19 03:42:52,542 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 4163 transitions. Word has length 336 [2024-11-19 03:42:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:52,543 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 4163 transitions. [2024-11-19 03:42:52,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 5 states have internal predecessors, (161), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-19 03:42:52,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 4163 transitions. [2024-11-19 03:42:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-19 03:42:52,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:52,552 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:52,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 03:42:52,552 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:52,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash -224445004, now seen corresponding path program 1 times [2024-11-19 03:42:52,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:52,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990542276] [2024-11-19 03:42:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:53,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:53,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990542276] [2024-11-19 03:42:53,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990542276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:53,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:53,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:53,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045521113] [2024-11-19 03:42:53,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:53,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:53,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:53,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:53,163 INFO L87 Difference]: Start difference. First operand 2932 states and 4163 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-19 03:42:53,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:53,279 INFO L93 Difference]: Finished difference Result 3740 states and 5263 transitions. [2024-11-19 03:42:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:53,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) Word has length 343 [2024-11-19 03:42:53,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:53,300 INFO L225 Difference]: With dead ends: 3740 [2024-11-19 03:42:53,300 INFO L226 Difference]: Without dead ends: 2932 [2024-11-19 03:42:53,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:53,304 INFO L432 NwaCegarLoop]: 2585 mSDtfsCounter, 7 mSDsluCounter, 10312 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12897 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:53,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12897 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2024-11-19 03:42:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2932. [2024-11-19 03:42:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2244 states have (on average 1.3636363636363635) internal successors, (3060), 2262 states have internal predecessors, (3060), 549 states have call successors, (549), 138 states have call predecessors, (549), 138 states have return successors, (553), 535 states have call predecessors, (553), 533 states have call successors, (553) [2024-11-19 03:42:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 4162 transitions. [2024-11-19 03:42:53,415 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 4162 transitions. Word has length 343 [2024-11-19 03:42:53,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:53,415 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 4162 transitions. [2024-11-19 03:42:53,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-19 03:42:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 4162 transitions. [2024-11-19 03:42:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2024-11-19 03:42:53,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:53,421 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:53,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-19 03:42:53,422 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:53,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash 758171656, now seen corresponding path program 1 times [2024-11-19 03:42:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:53,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105310264] [2024-11-19 03:42:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:54,043 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-19 03:42:54,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:54,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105310264] [2024-11-19 03:42:54,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105310264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:54,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 03:42:54,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 03:42:54,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6118567] [2024-11-19 03:42:54,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:54,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 03:42:54,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:54,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 03:42:54,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:54,045 INFO L87 Difference]: Start difference. First operand 2932 states and 4162 transitions. Second operand has 6 states, 6 states have (on average 29.0) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-19 03:42:54,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 03:42:54,153 INFO L93 Difference]: Finished difference Result 3740 states and 5262 transitions. [2024-11-19 03:42:54,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 03:42:54,154 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) Word has length 344 [2024-11-19 03:42:54,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 03:42:54,171 INFO L225 Difference]: With dead ends: 3740 [2024-11-19 03:42:54,171 INFO L226 Difference]: Without dead ends: 2932 [2024-11-19 03:42:54,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 03:42:54,176 INFO L432 NwaCegarLoop]: 2585 mSDtfsCounter, 7 mSDsluCounter, 10312 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12897 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 03:42:54,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12897 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 03:42:54,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2932 states. [2024-11-19 03:42:54,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2932 to 2932. [2024-11-19 03:42:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2244 states have (on average 1.3631907308377897) internal successors, (3059), 2262 states have internal predecessors, (3059), 549 states have call successors, (549), 138 states have call predecessors, (549), 138 states have return successors, (553), 535 states have call predecessors, (553), 533 states have call successors, (553) [2024-11-19 03:42:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 4161 transitions. [2024-11-19 03:42:54,275 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 4161 transitions. Word has length 344 [2024-11-19 03:42:54,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 03:42:54,276 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 4161 transitions. [2024-11-19 03:42:54,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.0) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 4 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-19 03:42:54,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 4161 transitions. [2024-11-19 03:42:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-19 03:42:54,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 03:42:54,282 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:54,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 03:42:54,282 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 03:42:54,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 03:42:54,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1022974977, now seen corresponding path program 1 times [2024-11-19 03:42:54,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 03:42:54,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117904279] [2024-11-19 03:42:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 03:42:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:54,920 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-19 03:42:54,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 03:42:54,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117904279] [2024-11-19 03:42:54,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117904279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 03:42:54,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974249833] [2024-11-19 03:42:54,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 03:42:54,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 03:42:54,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 03:42:54,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 03:42:54,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 03:42:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 03:42:56,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 3151 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 03:42:56,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 03:42:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-19 03:42:57,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 03:42:57,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974249833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 03:42:57,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 03:42:57,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-19 03:42:57,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120192623] [2024-11-19 03:42:57,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 03:42:57,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 03:42:57,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 03:42:57,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 03:42:57,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-19 03:42:57,075 INFO L87 Difference]: Start difference. First operand 2932 states and 4161 transitions. Second operand has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 4 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39)