./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC --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 0.3.0-dev-6497de0 [2024-11-23 18:23:28,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:23:28,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-23 18:23:28,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:23:28,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:23:28,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:23:28,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:23:28,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:23:28,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:23:28,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:23:28,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:23:28,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:23:28,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:23:28,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:23:28,512 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:23:28,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:23:28,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:23:28,513 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:23:28,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:23:28,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:23:28,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:23:28,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:23:28,515 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC 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 [2024-11-23 18:23:28,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:23:28,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:23:28,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:23:28,844 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:23:28,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:23:28,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-23 18:23:31,972 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/data/45cb48e2a/b3b5d9ae756442c289ebd12d91029a6f/FLAGdc0244194 [2024-11-23 18:23:32,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:23:32,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-23 18:23:32,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/data/45cb48e2a/b3b5d9ae756442c289ebd12d91029a6f/FLAGdc0244194 [2024-11-23 18:23:32,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/data/45cb48e2a/b3b5d9ae756442c289ebd12d91029a6f [2024-11-23 18:23:32,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:23:32,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:23:32,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:23:32,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:23:32,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:23:32,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:23:32" (1/1) ... [2024-11-23 18:23:32,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2eee52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:32, skipping insertion in model container [2024-11-23 18:23:32,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:23:32" (1/1) ... [2024-11-23 18:23:32,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:23:34,881 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/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] [2024-11-23 18:23:35,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:23:35,122 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:23:35,302 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] [2024-11-23 18:23:35,308 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] [2024-11-23 18:23:35,679 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/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] [2024-11-23 18:23:35,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:23:35,786 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:23:35,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35 WrapperNode [2024-11-23 18:23:35,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:23:35,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:23:35,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:23:35,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:23:35,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:35,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:36,184 INFO L138 Inliner]: procedures = 258, calls = 2402, calls flagged for inlining = 96, calls inlined = 93, statements flattened = 6774 [2024-11-23 18:23:36,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:23:36,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:23:36,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:23:36,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:23:36,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:36,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:36,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,272 INFO L175 MemorySlicer]: Split 1117 memory accesses to 24 slices as follows [2, 549, 5, 294, 8, 2, 57, 25, 26, 2, 36, 11, 16, 6, 2, 15, 1, 6, 1, 4, 17, 13, 8, 11]. 49 percent of accesses are in the largest equivalence class. The 30 initializations are split as follows [2, 0, 0, 0, 8, 0, 0, 0, 0, 2, 7, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 8, 0]. The 309 writes are split as follows [0, 184, 2, 3, 0, 1, 16, 22, 12, 0, 29, 1, 12, 3, 0, 0, 0, 3, 0, 1, 12, 4, 0, 4]. [2024-11-23 18:23:37,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,465 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:23:37,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:23:37,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:23:37,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:23:37,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (1/1) ... [2024-11-23 18:23:37,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:23:37,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:23:37,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:23:37,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:23:37,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-23 18:23:37,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-23 18:23:37,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpctl_mutex [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpctl_mutex [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetIocState [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetIocState [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2024-11-23 18:23:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2024-11-23 18:23:37,781 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-23 18:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-23 18:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_syscall_down [2024-11-23 18:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_syscall_down [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_deregister [2024-11-23 18:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_deregister [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-23 18:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_remove [2024-11-23 18:23:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_remove [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-23 18:23:37,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-23 18:23:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-23 18:23:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-23 18:23:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-23 18:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-23 18:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-23 18:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-23 18:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-23 18:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-11-23 18:23:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-11-23 18:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-11-23 18:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-11-23 18:23:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#18 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#19 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#20 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#21 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#22 [2024-11-23 18:23:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#23 [2024-11-23 18:23:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-23 18:23:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-23 18:23:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-23 18:23:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-23 18:23:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-23 18:23:37,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#18 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#19 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#20 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#21 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#22 [2024-11-23 18:23:37,790 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#23 [2024-11-23 18:23:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure __mptctl_ioctl [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __mptctl_ioctl [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_mpt_command [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_mpt_command [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_fw_download [2024-11-23 18:23:37,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_fw_download [2024-11-23 18:23:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-23 18:23:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-23 18:23:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-23 18:23:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-23 18:23:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-23 18:23:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-23 18:23:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-23 18:23:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-23 18:23:37,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-23 18:23:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-23 18:23:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-23 18:23:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-23 18:23:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame_hi_pri [2024-11-23 18:23:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame_hi_pri [2024-11-23 18:23:37,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-23 18:23:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-23 18:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_fw_memory [2024-11-23 18:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_fw_memory [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_taskmgmt [2024-11-23 18:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_taskmgmt [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2024-11-23 18:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-23 18:23:37,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-23 18:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-23 18:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_timeout_expired [2024-11-23 18:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_timeout_expired [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2024-11-23 18:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-23 18:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-23 18:23:37,800 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-23 18:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpctl_mutex [2024-11-23 18:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpctl_mutex [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fasync [2024-11-23 18:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fasync [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-23 18:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-23 18:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-23 18:23:37,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-23 18:23:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-23 18:23:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-23 18:23:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-23 18:23:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-23 18:23:37,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-23 18:23:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-23 18:23:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-23 18:23:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-23 18:23:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-23 18:23:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-23 18:23:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 18:23:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_set_taskmgmt_in_progress_flag [2024-11-23 18:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_set_taskmgmt_in_progress_flag [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-23 18:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-23 18:23:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_verify_adapter [2024-11-23 18:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_verify_adapter [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-23 18:23:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2024-11-23 18:23:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 18:23:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 18:23:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-23 18:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-23 18:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_deregister [2024-11-23 18:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_deregister [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_sgl [2024-11-23 18:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_sgl [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-23 18:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-23 18:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-23 18:23:37,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-23 18:23:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2024-11-23 18:23:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-23 18:23:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-23 18:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_msg_frame [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_msg_frame [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_send_handshake_request [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_send_handshake_request [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_register [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_register [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2024-11-23 18:23:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 18:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 18:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 18:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 18:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2024-11-23 18:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_msg_frame [2024-11-23 18:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_msg_frame [2024-11-23 18:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-23 18:23:37,820 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-23 18:23:38,928 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:23:38,932 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:23:38,956 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-23 18:23:56,665 INFO L? ?]: Removed 2189 outVars from TransFormulas that were not future-live. [2024-11-23 18:23:56,665 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:23:56,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:23:56,725 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 18:23:56,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:23:56 BoogieIcfgContainer [2024-11-23 18:23:56,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:23:56,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:23:56,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:23:56,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:23:56,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:23:32" (1/3) ... [2024-11-23 18:23:56,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8983a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:23:56, skipping insertion in model container [2024-11-23 18:23:56,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:23:35" (2/3) ... [2024-11-23 18:23:56,741 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8983a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:23:56, skipping insertion in model container [2024-11-23 18:23:56,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:23:56" (3/3) ... [2024-11-23 18:23:56,742 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2024-11-23 18:23:56,763 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:23:56,764 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i that has 88 procedures, 1894 locations, 1 initial locations, 24 loop locations, and 1 error locations. [2024-11-23 18:23:56,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:23:56,910 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;@6b016eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:23:56,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:23:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 1805 states, 1352 states have (on average 1.4127218934911243) internal successors, (1910), 1372 states have internal predecessors, (1910), 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) [2024-11-23 18:23:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 18:23:56,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:56,941 INFO L218 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] [2024-11-23 18:23:56,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:23:56,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:56,951 INFO L85 PathProgramCache]: Analyzing trace with hash 153976725, now seen corresponding path program 1 times [2024-11-23 18:23:56,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:56,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133681398] [2024-11-23 18:23:56,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:56,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:23:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-23 18:23:58,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:23:58,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133681398] [2024-11-23 18:23:58,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133681398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:23:58,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:23:58,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:23:58,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809326318] [2024-11-23 18:23:58,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:23:58,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:23:58,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:23:58,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:23:58,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:23:58,709 INFO L87 Difference]: Start difference. First operand has 1805 states, 1352 states have (on average 1.4127218934911243) internal successors, (1910), 1372 states have internal predecessors, (1910), 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) [2024-11-23 18:23:59,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:59,006 INFO L93 Difference]: Finished difference Result 3605 states and 5424 transitions. [2024-11-23 18:23:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:23:59,008 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 [2024-11-23 18:23:59,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:59,047 INFO L225 Difference]: With dead ends: 3605 [2024-11-23 18:23:59,048 INFO L226 Difference]: Without dead ends: 1792 [2024-11-23 18:23:59,071 INFO L434 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 [2024-11-23 18:23:59,077 INFO L435 NwaCegarLoop]: 2663 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, 2663 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 [2024-11-23 18:23:59,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:23:59,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2024-11-23 18:23:59,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1792. [2024-11-23 18:23:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1792 states, 1345 states have (on average 1.4059479553903347) internal successors, (1891), 1359 states have internal predecessors, (1891), 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) [2024-11-23 18:23:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2646 transitions. [2024-11-23 18:23:59,352 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2646 transitions. Word has length 119 [2024-11-23 18:23:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:59,353 INFO L471 AbstractCegarLoop]: Abstraction has 1792 states and 2646 transitions. [2024-11-23 18:23:59,353 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) [2024-11-23 18:23:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2646 transitions. [2024-11-23 18:23:59,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-23 18:23:59,360 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:23:59,360 INFO L218 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] [2024-11-23 18:23:59,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:23:59,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:23:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:23:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1819188653, now seen corresponding path program 1 times [2024-11-23 18:23:59,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:23:59,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255618687] [2024-11-23 18:23:59,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:23:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-23 18:24:00,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:00,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255618687] [2024-11-23 18:24:00,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255618687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:00,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:00,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:00,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969087043] [2024-11-23 18:24:00,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:00,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:00,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:00,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:00,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:00,486 INFO L87 Difference]: Start difference. First operand 1792 states and 2646 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) [2024-11-23 18:24:00,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:00,785 INFO L93 Difference]: Finished difference Result 3656 states and 5376 transitions. [2024-11-23 18:24:00,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:00,785 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 [2024-11-23 18:24:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:00,803 INFO L225 Difference]: With dead ends: 3656 [2024-11-23 18:24:00,803 INFO L226 Difference]: Without dead ends: 1894 [2024-11-23 18:24:00,809 INFO L434 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 [2024-11-23 18:24:00,811 INFO L435 NwaCegarLoop]: 2675 mSDtfsCounter, 168 mSDsluCounter, 2565 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 5240 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 [2024-11-23 18:24:00,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 5240 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:24:00,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2024-11-23 18:24:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1877. [2024-11-23 18:24:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1877 states, 1408 states have (on average 1.3998579545454546) internal successors, (1971), 1424 states have internal predecessors, (1971), 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) [2024-11-23 18:24:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2748 transitions. [2024-11-23 18:24:00,973 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2748 transitions. Word has length 119 [2024-11-23 18:24:00,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:00,976 INFO L471 AbstractCegarLoop]: Abstraction has 1877 states and 2748 transitions. [2024-11-23 18:24:00,977 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) [2024-11-23 18:24:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2748 transitions. [2024-11-23 18:24:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-23 18:24:00,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:00,983 INFO L218 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] [2024-11-23 18:24:00,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:24:00,983 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:00,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:00,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1269196930, now seen corresponding path program 1 times [2024-11-23 18:24:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:00,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627828206] [2024-11-23 18:24:00,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-11-23 18:24:02,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:02,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627828206] [2024-11-23 18:24:02,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627828206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:02,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:02,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:02,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144153427] [2024-11-23 18:24:02,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:02,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:02,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:02,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:02,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:02,293 INFO L87 Difference]: Start difference. First operand 1877 states and 2748 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) [2024-11-23 18:24:06,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:06,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:06,553 INFO L93 Difference]: Finished difference Result 5431 states and 7997 transitions. [2024-11-23 18:24:06,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:06,553 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 [2024-11-23 18:24:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:06,577 INFO L225 Difference]: With dead ends: 5431 [2024-11-23 18:24:06,577 INFO L226 Difference]: Without dead ends: 3594 [2024-11-23 18:24:06,586 INFO L434 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 [2024-11-23 18:24:06,587 INFO L435 NwaCegarLoop]: 2830 mSDtfsCounter, 2562 mSDsluCounter, 2575 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 5405 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 [2024-11-23 18:24:06,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2562 Valid, 5405 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:24:06,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3594 states. [2024-11-23 18:24:06,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3594 to 3582. [2024-11-23 18:24:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2715 states have (on average 1.4084714548802946) internal successors, (3824), 2734 states have internal predecessors, (3824), 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) [2024-11-23 18:24:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 5281 transitions. [2024-11-23 18:24:06,790 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 5281 transitions. Word has length 143 [2024-11-23 18:24:06,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:06,793 INFO L471 AbstractCegarLoop]: Abstraction has 3582 states and 5281 transitions. [2024-11-23 18:24:06,793 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) [2024-11-23 18:24:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 5281 transitions. [2024-11-23 18:24:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-23 18:24:06,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:06,795 INFO L218 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] [2024-11-23 18:24:06,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:24:06,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:06,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:06,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1055695605, now seen corresponding path program 1 times [2024-11-23 18:24:06,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:06,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047550741] [2024-11-23 18:24:06,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:06,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:07,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:07,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047550741] [2024-11-23 18:24:07,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047550741] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:07,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:07,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:07,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572879819] [2024-11-23 18:24:07,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:07,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:07,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:07,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:07,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:07,828 INFO L87 Difference]: Start difference. First operand 3582 states and 5281 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) [2024-11-23 18:24:07,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:07,969 INFO L93 Difference]: Finished difference Result 3584 states and 5282 transitions. [2024-11-23 18:24:07,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:07,970 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 [2024-11-23 18:24:07,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:07,993 INFO L225 Difference]: With dead ends: 3584 [2024-11-23 18:24:07,993 INFO L226 Difference]: Without dead ends: 3581 [2024-11-23 18:24:07,996 INFO L434 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 [2024-11-23 18:24:07,997 INFO L435 NwaCegarLoop]: 2643 mSDtfsCounter, 2597 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2597 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 [2024-11-23 18:24:07,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2597 Valid, 2643 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:08,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2024-11-23 18:24:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3581. [2024-11-23 18:24:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3581 states, 2715 states have (on average 1.4081031307550644) internal successors, (3823), 2733 states have internal predecessors, (3823), 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) [2024-11-23 18:24:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 3581 states and 5279 transitions. [2024-11-23 18:24:08,218 INFO L78 Accepts]: Start accepts. Automaton has 3581 states and 5279 transitions. Word has length 173 [2024-11-23 18:24:08,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:08,220 INFO L471 AbstractCegarLoop]: Abstraction has 3581 states and 5279 transitions. [2024-11-23 18:24:08,220 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) [2024-11-23 18:24:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3581 states and 5279 transitions. [2024-11-23 18:24:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-23 18:24:08,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:08,225 INFO L218 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] [2024-11-23 18:24:08,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:24:08,225 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:08,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1633691530, now seen corresponding path program 1 times [2024-11-23 18:24:08,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:08,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811824043] [2024-11-23 18:24:08,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:09,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:09,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811824043] [2024-11-23 18:24:09,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811824043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:09,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:09,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:09,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109127890] [2024-11-23 18:24:09,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:09,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:09,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:09,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:09,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:09,401 INFO L87 Difference]: Start difference. First operand 3581 states and 5279 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) [2024-11-23 18:24:09,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:09,531 INFO L93 Difference]: Finished difference Result 3583 states and 5280 transitions. [2024-11-23 18:24:09,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:09,532 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 [2024-11-23 18:24:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:09,555 INFO L225 Difference]: With dead ends: 3583 [2024-11-23 18:24:09,556 INFO L226 Difference]: Without dead ends: 3580 [2024-11-23 18:24:09,559 INFO L434 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 [2024-11-23 18:24:09,560 INFO L435 NwaCegarLoop]: 2641 mSDtfsCounter, 2594 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2594 SdHoareTripleChecker+Valid, 2641 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 [2024-11-23 18:24:09,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2594 Valid, 2641 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2024-11-23 18:24:09,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3580. [2024-11-23 18:24:09,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3580 states, 2715 states have (on average 1.4077348066298343) internal successors, (3822), 2732 states have internal predecessors, (3822), 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) [2024-11-23 18:24:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 5277 transitions. [2024-11-23 18:24:09,771 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 5277 transitions. Word has length 174 [2024-11-23 18:24:09,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:09,772 INFO L471 AbstractCegarLoop]: Abstraction has 3580 states and 5277 transitions. [2024-11-23 18:24:09,772 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) [2024-11-23 18:24:09,772 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 5277 transitions. [2024-11-23 18:24:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-23 18:24:09,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:09,774 INFO L218 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] [2024-11-23 18:24:09,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:24:09,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:09,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:09,775 INFO L85 PathProgramCache]: Analyzing trace with hash 894658072, now seen corresponding path program 1 times [2024-11-23 18:24:09,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:09,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786652800] [2024-11-23 18:24:09,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:09,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:10,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:10,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786652800] [2024-11-23 18:24:10,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786652800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:10,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:10,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:10,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726021684] [2024-11-23 18:24:10,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:10,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:10,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:10,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:10,861 INFO L87 Difference]: Start difference. First operand 3580 states and 5277 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) [2024-11-23 18:24:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:11,076 INFO L93 Difference]: Finished difference Result 3617 states and 5309 transitions. [2024-11-23 18:24:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:11,077 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 [2024-11-23 18:24:11,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:11,105 INFO L225 Difference]: With dead ends: 3617 [2024-11-23 18:24:11,105 INFO L226 Difference]: Without dead ends: 3613 [2024-11-23 18:24:11,108 INFO L434 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 [2024-11-23 18:24:11,111 INFO L435 NwaCegarLoop]: 2636 mSDtfsCounter, 233 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 5014 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 [2024-11-23 18:24:11,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 5014 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:11,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3613 states. [2024-11-23 18:24:11,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3613 to 3611. [2024-11-23 18:24:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3611 states, 2736 states have (on average 1.4038742690058479) internal successors, (3841), 2751 states have internal predecessors, (3841), 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) [2024-11-23 18:24:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 3611 states and 5302 transitions. [2024-11-23 18:24:11,391 INFO L78 Accepts]: Start accepts. Automaton has 3611 states and 5302 transitions. Word has length 175 [2024-11-23 18:24:11,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:11,392 INFO L471 AbstractCegarLoop]: Abstraction has 3611 states and 5302 transitions. [2024-11-23 18:24:11,392 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) [2024-11-23 18:24:11,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3611 states and 5302 transitions. [2024-11-23 18:24:11,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-23 18:24:11,394 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:11,394 INFO L218 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] [2024-11-23 18:24:11,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:24:11,395 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:11,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:11,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1964089273, now seen corresponding path program 1 times [2024-11-23 18:24:11,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:11,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691597913] [2024-11-23 18:24:11,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:11,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:12,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:12,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691597913] [2024-11-23 18:24:12,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691597913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:12,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:12,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078479842] [2024-11-23 18:24:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:12,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:12,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:12,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:12,192 INFO L87 Difference]: Start difference. First operand 3611 states and 5302 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) [2024-11-23 18:24:12,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:12,545 INFO L93 Difference]: Finished difference Result 10381 states and 15316 transitions. [2024-11-23 18:24:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:12,546 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 [2024-11-23 18:24:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:12,599 INFO L225 Difference]: With dead ends: 10381 [2024-11-23 18:24:12,599 INFO L226 Difference]: Without dead ends: 6810 [2024-11-23 18:24:12,619 INFO L434 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 [2024-11-23 18:24:12,620 INFO L435 NwaCegarLoop]: 3262 mSDtfsCounter, 2369 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2369 SdHoareTripleChecker+Valid, 5795 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 [2024-11-23 18:24:12,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2369 Valid, 5795 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:12,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6810 states. [2024-11-23 18:24:13,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6810 to 6776. [2024-11-23 18:24:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6776 states, 5158 states have (on average 1.4055835595191934) internal successors, (7250), 5205 states have internal predecessors, (7250), 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) [2024-11-23 18:24:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 9997 transitions. [2024-11-23 18:24:13,181 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 9997 transitions. Word has length 176 [2024-11-23 18:24:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:13,184 INFO L471 AbstractCegarLoop]: Abstraction has 6776 states and 9997 transitions. [2024-11-23 18:24:13,185 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) [2024-11-23 18:24:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 9997 transitions. [2024-11-23 18:24:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-23 18:24:13,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:13,187 INFO L218 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] [2024-11-23 18:24:13,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:24:13,188 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:13,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:13,189 INFO L85 PathProgramCache]: Analyzing trace with hash 756723003, now seen corresponding path program 1 times [2024-11-23 18:24:13,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:13,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035686107] [2024-11-23 18:24:13,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:13,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:13,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:13,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035686107] [2024-11-23 18:24:13,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035686107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:13,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:13,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:13,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645900510] [2024-11-23 18:24:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:13,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:13,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:13,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:13,993 INFO L87 Difference]: Start difference. First operand 6776 states and 9997 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) [2024-11-23 18:24:14,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:14,239 INFO L93 Difference]: Finished difference Result 6778 states and 9998 transitions. [2024-11-23 18:24:14,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:14,240 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 [2024-11-23 18:24:14,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:14,296 INFO L225 Difference]: With dead ends: 6778 [2024-11-23 18:24:14,297 INFO L226 Difference]: Without dead ends: 6746 [2024-11-23 18:24:14,302 INFO L434 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 [2024-11-23 18:24:14,303 INFO L435 NwaCegarLoop]: 2636 mSDtfsCounter, 2585 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2585 SdHoareTripleChecker+Valid, 2636 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 [2024-11-23 18:24:14,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2585 Valid, 2636 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6746 states. [2024-11-23 18:24:14,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6746 to 6746. [2024-11-23 18:24:14,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6746 states, 5138 states have (on average 1.405799922148696) internal successors, (7223), 5184 states have internal predecessors, (7223), 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) [2024-11-23 18:24:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6746 states to 6746 states and 9959 transitions. [2024-11-23 18:24:14,751 INFO L78 Accepts]: Start accepts. Automaton has 6746 states and 9959 transitions. Word has length 177 [2024-11-23 18:24:14,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:14,751 INFO L471 AbstractCegarLoop]: Abstraction has 6746 states and 9959 transitions. [2024-11-23 18:24:14,751 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) [2024-11-23 18:24:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 6746 states and 9959 transitions. [2024-11-23 18:24:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-23 18:24:14,755 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:14,755 INFO L218 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] [2024-11-23 18:24:14,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:24:14,755 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:14,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:14,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1585178700, now seen corresponding path program 1 times [2024-11-23 18:24:14,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:14,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750242787] [2024-11-23 18:24:14,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:14,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:15,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:15,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750242787] [2024-11-23 18:24:15,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750242787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:15,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:15,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:15,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558922798] [2024-11-23 18:24:15,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:15,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:15,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:15,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:15,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:15,748 INFO L87 Difference]: Start difference. First operand 6746 states and 9959 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-23 18:24:19,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:20,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:20,165 INFO L93 Difference]: Finished difference Result 10304 states and 15153 transitions. [2024-11-23 18:24:20,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:20,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 197 [2024-11-23 18:24:20,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:20,199 INFO L225 Difference]: With dead ends: 10304 [2024-11-23 18:24:20,199 INFO L226 Difference]: Without dead ends: 3596 [2024-11-23 18:24:20,226 INFO L434 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 [2024-11-23 18:24:20,227 INFO L435 NwaCegarLoop]: 2641 mSDtfsCounter, 8 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5270 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:20,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5270 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:24:20,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3596 states. [2024-11-23 18:24:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3596 to 3587. [2024-11-23 18:24:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3587 states, 2716 states have (on average 1.3917525773195876) internal successors, (3780), 2737 states have internal predecessors, (3780), 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) [2024-11-23 18:24:20,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3587 states and 5229 transitions. [2024-11-23 18:24:20,441 INFO L78 Accepts]: Start accepts. Automaton has 3587 states and 5229 transitions. Word has length 197 [2024-11-23 18:24:20,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:20,442 INFO L471 AbstractCegarLoop]: Abstraction has 3587 states and 5229 transitions. [2024-11-23 18:24:20,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-23 18:24:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 5229 transitions. [2024-11-23 18:24:20,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-23 18:24:20,449 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:20,449 INFO L218 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] [2024-11-23 18:24:20,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:24:20,450 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:20,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:20,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1846724082, now seen corresponding path program 1 times [2024-11-23 18:24:20,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:20,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152550376] [2024-11-23 18:24:20,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:21,348 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-23 18:24:21,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:21,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152550376] [2024-11-23 18:24:21,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152550376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:21,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:21,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:21,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507089717] [2024-11-23 18:24:21,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:21,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:21,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:21,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:21,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:21,351 INFO L87 Difference]: Start difference. First operand 3587 states and 5229 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) [2024-11-23 18:24:25,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:25,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:25,551 INFO L93 Difference]: Finished difference Result 3591 states and 5231 transitions. [2024-11-23 18:24:25,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:25,552 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 [2024-11-23 18:24:25,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:25,574 INFO L225 Difference]: With dead ends: 3591 [2024-11-23 18:24:25,574 INFO L226 Difference]: Without dead ends: 3588 [2024-11-23 18:24:25,579 INFO L434 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 [2024-11-23 18:24:25,581 INFO L435 NwaCegarLoop]: 2657 mSDtfsCounter, 2370 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2370 SdHoareTripleChecker+Valid, 2933 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:25,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2370 Valid, 2933 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:24:25,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2024-11-23 18:24:25,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3586. [2024-11-23 18:24:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3586 states, 2716 states have (on average 1.3910162002945508) internal successors, (3778), 2736 states have internal predecessors, (3778), 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) [2024-11-23 18:24:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 3586 states and 5226 transitions. [2024-11-23 18:24:25,800 INFO L78 Accepts]: Start accepts. Automaton has 3586 states and 5226 transitions. Word has length 204 [2024-11-23 18:24:25,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:25,800 INFO L471 AbstractCegarLoop]: Abstraction has 3586 states and 5226 transitions. [2024-11-23 18:24:25,800 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) [2024-11-23 18:24:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 3586 states and 5226 transitions. [2024-11-23 18:24:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-23 18:24:25,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:25,812 INFO L218 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] [2024-11-23 18:24:25,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:24:25,813 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:25,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:25,813 INFO L85 PathProgramCache]: Analyzing trace with hash -112717917, now seen corresponding path program 1 times [2024-11-23 18:24:25,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:25,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304658330] [2024-11-23 18:24:25,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:25,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-11-23 18:24:26,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:26,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304658330] [2024-11-23 18:24:26,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304658330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:26,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:26,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:26,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726662895] [2024-11-23 18:24:26,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:26,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:26,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:26,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:26,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:26,747 INFO L87 Difference]: Start difference. First operand 3586 states and 5226 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2024-11-23 18:24:30,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:31,087 INFO L93 Difference]: Finished difference Result 7279 states and 10593 transitions. [2024-11-23 18:24:31,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:31,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 266 [2024-11-23 18:24:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:31,109 INFO L225 Difference]: With dead ends: 7279 [2024-11-23 18:24:31,109 INFO L226 Difference]: Without dead ends: 3766 [2024-11-23 18:24:31,123 INFO L434 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 [2024-11-23 18:24:31,123 INFO L435 NwaCegarLoop]: 2704 mSDtfsCounter, 184 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 5258 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 [2024-11-23 18:24:31,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 5258 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:24:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3766 states. [2024-11-23 18:24:31,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3766 to 3738. [2024-11-23 18:24:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3738 states, 2846 states have (on average 1.38756148981026) internal successors, (3949), 2866 states have internal predecessors, (3949), 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) [2024-11-23 18:24:31,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 3738 states and 5417 transitions. [2024-11-23 18:24:31,352 INFO L78 Accepts]: Start accepts. Automaton has 3738 states and 5417 transitions. Word has length 266 [2024-11-23 18:24:31,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:31,354 INFO L471 AbstractCegarLoop]: Abstraction has 3738 states and 5417 transitions. [2024-11-23 18:24:31,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2024-11-23 18:24:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3738 states and 5417 transitions. [2024-11-23 18:24:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-23 18:24:31,361 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:31,361 INFO L218 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] [2024-11-23 18:24:31,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:24:31,362 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:31,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:31,363 INFO L85 PathProgramCache]: Analyzing trace with hash 400674095, now seen corresponding path program 1 times [2024-11-23 18:24:31,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:31,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023478517] [2024-11-23 18:24:31,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:31,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-23 18:24:32,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023478517] [2024-11-23 18:24:32,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023478517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:32,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:32,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:32,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159984458] [2024-11-23 18:24:32,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:32,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:32,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:32,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:32,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:32,154 INFO L87 Difference]: Start difference. First operand 3738 states and 5417 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2024-11-23 18:24:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:32,397 INFO L93 Difference]: Finished difference Result 7405 states and 10753 transitions. [2024-11-23 18:24:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:32,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 279 [2024-11-23 18:24:32,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:32,418 INFO L225 Difference]: With dead ends: 7405 [2024-11-23 18:24:32,418 INFO L226 Difference]: Without dead ends: 3740 [2024-11-23 18:24:32,434 INFO L434 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 [2024-11-23 18:24:32,435 INFO L435 NwaCegarLoop]: 2632 mSDtfsCounter, 0 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5260 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 [2024-11-23 18:24:32,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5260 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:32,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3740 states. [2024-11-23 18:24:32,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3740 to 3740. [2024-11-23 18:24:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3740 states, 2848 states have (on average 1.3872893258426966) internal successors, (3951), 2868 states have internal predecessors, (3951), 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) [2024-11-23 18:24:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3740 states to 3740 states and 5419 transitions. [2024-11-23 18:24:32,649 INFO L78 Accepts]: Start accepts. Automaton has 3740 states and 5419 transitions. Word has length 279 [2024-11-23 18:24:32,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:32,650 INFO L471 AbstractCegarLoop]: Abstraction has 3740 states and 5419 transitions. [2024-11-23 18:24:32,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2024-11-23 18:24:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3740 states and 5419 transitions. [2024-11-23 18:24:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2024-11-23 18:24:32,658 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:32,658 INFO L218 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] [2024-11-23 18:24:32,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:24:32,659 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:32,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1280651839, now seen corresponding path program 1 times [2024-11-23 18:24:32,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:32,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141546063] [2024-11-23 18:24:32,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-23 18:24:34,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:34,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141546063] [2024-11-23 18:24:34,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141546063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:34,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:34,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:24:34,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460408627] [2024-11-23 18:24:34,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:34,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:24:34,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:34,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:24:34,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:24:34,196 INFO L87 Difference]: Start difference. First operand 3740 states and 5419 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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) [2024-11-23 18:24:38,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:38,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:38,551 INFO L93 Difference]: Finished difference Result 7375 states and 10707 transitions. [2024-11-23 18:24:38,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:24:38,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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 297 [2024-11-23 18:24:38,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:38,576 INFO L225 Difference]: With dead ends: 7375 [2024-11-23 18:24:38,576 INFO L226 Difference]: Without dead ends: 3674 [2024-11-23 18:24:38,589 INFO L434 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 [2024-11-23 18:24:38,591 INFO L435 NwaCegarLoop]: 2636 mSDtfsCounter, 9 mSDsluCounter, 7887 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 10523 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 [2024-11-23 18:24:38,591 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 10523 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:24:38,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3674 states. [2024-11-23 18:24:38,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3674 to 3659. [2024-11-23 18:24:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3659 states, 2798 states have (on average 1.3917083631165117) internal successors, (3894), 2818 states have internal predecessors, (3894), 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) [2024-11-23 18:24:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 5324 transitions. [2024-11-23 18:24:38,840 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 5324 transitions. Word has length 297 [2024-11-23 18:24:38,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:38,840 INFO L471 AbstractCegarLoop]: Abstraction has 3659 states and 5324 transitions. [2024-11-23 18:24:38,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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) [2024-11-23 18:24:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5324 transitions. [2024-11-23 18:24:38,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-23 18:24:38,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:38,850 INFO L218 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] [2024-11-23 18:24:38,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:24:38,851 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:38,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:38,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2047524042, now seen corresponding path program 1 times [2024-11-23 18:24:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:38,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672648815] [2024-11-23 18:24:38,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-23 18:24:40,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672648815] [2024-11-23 18:24:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672648815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:40,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:24:40,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680805974] [2024-11-23 18:24:40,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:40,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:24:40,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:40,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:24:40,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:24:40,009 INFO L87 Difference]: Start difference. First operand 3659 states and 5324 transitions. Second operand has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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) [2024-11-23 18:24:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:40,274 INFO L93 Difference]: Finished difference Result 7241 states and 10566 transitions. [2024-11-23 18:24:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:24:40,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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 311 [2024-11-23 18:24:40,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:40,297 INFO L225 Difference]: With dead ends: 7241 [2024-11-23 18:24:40,297 INFO L226 Difference]: Without dead ends: 3659 [2024-11-23 18:24:40,310 INFO L434 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 [2024-11-23 18:24:40,311 INFO L435 NwaCegarLoop]: 2630 mSDtfsCounter, 0 mSDsluCounter, 7884 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10514 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 [2024-11-23 18:24:40,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10514 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3659 states. [2024-11-23 18:24:40,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3659 to 3659. [2024-11-23 18:24:40,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3659 states, 2798 states have (on average 1.3913509649749822) internal successors, (3893), 2818 states have internal predecessors, (3893), 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) [2024-11-23 18:24:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 5323 transitions. [2024-11-23 18:24:40,547 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 5323 transitions. Word has length 311 [2024-11-23 18:24:40,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:40,548 INFO L471 AbstractCegarLoop]: Abstraction has 3659 states and 5323 transitions. [2024-11-23 18:24:40,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.4) internal successors, (157), 5 states have internal predecessors, (157), 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) [2024-11-23 18:24:40,548 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5323 transitions. [2024-11-23 18:24:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-23 18:24:40,555 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:40,555 INFO L218 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] [2024-11-23 18:24:40,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:24:40,556 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:40,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:40,556 INFO L85 PathProgramCache]: Analyzing trace with hash 53379336, now seen corresponding path program 1 times [2024-11-23 18:24:40,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233318145] [2024-11-23 18:24:40,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:40,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-23 18:24:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:41,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233318145] [2024-11-23 18:24:41,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233318145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:41,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:41,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:41,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598055576] [2024-11-23 18:24:41,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:41,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:41,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:41,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:41,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:41,616 INFO L87 Difference]: Start difference. First operand 3659 states and 5323 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2024-11-23 18:24:45,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:24:45,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:45,908 INFO L93 Difference]: Finished difference Result 7243 states and 10561 transitions. [2024-11-23 18:24:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:45,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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 311 [2024-11-23 18:24:45,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:45,932 INFO L225 Difference]: With dead ends: 7243 [2024-11-23 18:24:45,932 INFO L226 Difference]: Without dead ends: 3661 [2024-11-23 18:24:45,945 INFO L434 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 [2024-11-23 18:24:45,946 INFO L435 NwaCegarLoop]: 4277 mSDtfsCounter, 2513 mSDsluCounter, 2345 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 6622 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:45,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2513 Valid, 6622 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-23 18:24:45,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3661 states. [2024-11-23 18:24:46,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3661 to 3659. [2024-11-23 18:24:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3659 states, 2798 states have (on average 1.3899213724088635) internal successors, (3889), 2818 states have internal predecessors, (3889), 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) [2024-11-23 18:24:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 3659 states and 5299 transitions. [2024-11-23 18:24:46,160 INFO L78 Accepts]: Start accepts. Automaton has 3659 states and 5299 transitions. Word has length 311 [2024-11-23 18:24:46,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:46,162 INFO L471 AbstractCegarLoop]: Abstraction has 3659 states and 5299 transitions. [2024-11-23 18:24:46,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 3 states have internal predecessors, (157), 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) [2024-11-23 18:24:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3659 states and 5299 transitions. [2024-11-23 18:24:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-23 18:24:46,168 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:46,169 INFO L218 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] [2024-11-23 18:24:46,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:24:46,169 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1566437816, now seen corresponding path program 1 times [2024-11-23 18:24:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130980899] [2024-11-23 18:24:46,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-23 18:24:47,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:47,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130980899] [2024-11-23 18:24:47,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130980899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:47,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:47,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:24:47,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842472563] [2024-11-23 18:24:47,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:47,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:24:47,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:47,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:24:47,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:47,313 INFO L87 Difference]: Start difference. First operand 3659 states and 5299 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 5 states have internal predecessors, (136), 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) [2024-11-23 18:24:47,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:47,600 INFO L93 Difference]: Finished difference Result 7246 states and 10512 transitions. [2024-11-23 18:24:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:24:47,601 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 5 states have internal predecessors, (136), 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 293 [2024-11-23 18:24:47,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:47,626 INFO L225 Difference]: With dead ends: 7246 [2024-11-23 18:24:47,626 INFO L226 Difference]: Without dead ends: 3664 [2024-11-23 18:24:47,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:47,640 INFO L435 NwaCegarLoop]: 2637 mSDtfsCounter, 0 mSDsluCounter, 10529 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:47,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13166 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:24:47,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2024-11-23 18:24:47,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 3664. [2024-11-23 18:24:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3664 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), 151 states have return successors, (703), 691 states have call predecessors, (703), 690 states have call successors, (703) [2024-11-23 18:24:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 5306 transitions. [2024-11-23 18:24:47,861 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 5306 transitions. Word has length 293 [2024-11-23 18:24:47,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:47,861 INFO L471 AbstractCegarLoop]: Abstraction has 3664 states and 5306 transitions. [2024-11-23 18:24:47,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 5 states have internal predecessors, (136), 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) [2024-11-23 18:24:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 5306 transitions. [2024-11-23 18:24:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-23 18:24:47,869 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:47,870 INFO L218 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] [2024-11-23 18:24:47,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:24:47,870 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:47,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:47,872 INFO L85 PathProgramCache]: Analyzing trace with hash -427706890, now seen corresponding path program 1 times [2024-11-23 18:24:47,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:47,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327324335] [2024-11-23 18:24:47,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:47,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-23 18:24:49,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:49,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327324335] [2024-11-23 18:24:49,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327324335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:49,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:49,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:24:49,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566025844] [2024-11-23 18:24:49,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:49,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:24:49,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:49,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:24:49,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:24:49,084 INFO L87 Difference]: Start difference. First operand 3664 states and 5306 transitions. Second operand has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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) [2024-11-23 18:24:49,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:49,325 INFO L93 Difference]: Finished difference Result 7251 states and 10521 transitions. [2024-11-23 18:24:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:24:49,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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 293 [2024-11-23 18:24:49,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:49,351 INFO L225 Difference]: With dead ends: 7251 [2024-11-23 18:24:49,351 INFO L226 Difference]: Without dead ends: 3664 [2024-11-23 18:24:49,363 INFO L434 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 [2024-11-23 18:24:49,364 INFO L435 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 [2024-11-23 18:24:49,364 INFO L436 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] [2024-11-23 18:24:49,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3664 states. [2024-11-23 18:24:49,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3664 to 3664. [2024-11-23 18:24:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3664 states, 2802 states have (on average 1.389007851534618) internal successors, (3892), 2822 states have internal predecessors, (3892), 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) [2024-11-23 18:24:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 5305 transitions. [2024-11-23 18:24:49,574 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 5305 transitions. Word has length 293 [2024-11-23 18:24:49,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:49,576 INFO L471 AbstractCegarLoop]: Abstraction has 3664 states and 5305 transitions. [2024-11-23 18:24:49,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.2) internal successors, (136), 5 states have internal predecessors, (136), 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) [2024-11-23 18:24:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 5305 transitions. [2024-11-23 18:24:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-23 18:24:49,584 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:49,585 INFO L218 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] [2024-11-23 18:24:49,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:24:49,585 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:49,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:49,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2073548131, now seen corresponding path program 1 times [2024-11-23 18:24:49,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:49,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868139474] [2024-11-23 18:24:49,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:49,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-23 18:24:50,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:50,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868139474] [2024-11-23 18:24:50,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868139474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:50,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:50,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:24:50,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169871987] [2024-11-23 18:24:50,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:50,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:24:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:50,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:24:50,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:50,747 INFO L87 Difference]: Start difference. First operand 3664 states and 5305 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 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) [2024-11-23 18:24:51,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:51,268 INFO L93 Difference]: Finished difference Result 8096 states and 11871 transitions. [2024-11-23 18:24:51,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:24:51,269 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 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 301 [2024-11-23 18:24:51,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:51,305 INFO L225 Difference]: With dead ends: 8096 [2024-11-23 18:24:51,305 INFO L226 Difference]: Without dead ends: 4509 [2024-11-23 18:24:51,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:51,322 INFO L435 NwaCegarLoop]: 3268 mSDtfsCounter, 588 mSDsluCounter, 12504 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 15772 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:51,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 15772 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:24:51,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2024-11-23 18:24:51,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 3687. [2024-11-23 18:24:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3687 states, 2821 states have (on average 1.39099610067352) internal successors, (3924), 2843 states have internal predecessors, (3924), 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) [2024-11-23 18:24:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 3687 states and 5347 transitions. [2024-11-23 18:24:51,710 INFO L78 Accepts]: Start accepts. Automaton has 3687 states and 5347 transitions. Word has length 301 [2024-11-23 18:24:51,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:51,711 INFO L471 AbstractCegarLoop]: Abstraction has 3687 states and 5347 transitions. [2024-11-23 18:24:51,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 6 states have internal predecessors, (140), 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) [2024-11-23 18:24:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3687 states and 5347 transitions. [2024-11-23 18:24:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-23 18:24:51,722 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:51,722 INFO L218 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] [2024-11-23 18:24:51,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 18:24:51,723 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:51,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash -275440009, now seen corresponding path program 1 times [2024-11-23 18:24:51,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:51,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006310946] [2024-11-23 18:24:51,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:51,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-23 18:24:52,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:52,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006310946] [2024-11-23 18:24:52,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006310946] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:52,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:52,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:24:52,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716911316] [2024-11-23 18:24:52,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:52,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:24:52,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:52,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:24:52,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:52,857 INFO L87 Difference]: Start difference. First operand 3687 states and 5347 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-23 18:24:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:53,246 INFO L93 Difference]: Finished difference Result 7313 states and 10624 transitions. [2024-11-23 18:24:53,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:24:53,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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 302 [2024-11-23 18:24:53,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:53,270 INFO L225 Difference]: With dead ends: 7313 [2024-11-23 18:24:53,270 INFO L226 Difference]: Without dead ends: 3703 [2024-11-23 18:24:53,280 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:53,281 INFO L435 NwaCegarLoop]: 2636 mSDtfsCounter, 1 mSDsluCounter, 10527 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 13163 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:53,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 13163 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:24:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3703 states. [2024-11-23 18:24:53,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3703 to 3695. [2024-11-23 18:24:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3695 states, 2827 states have (on average 1.3901662539794835) internal successors, (3930), 2850 states have internal predecessors, (3930), 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) [2024-11-23 18:24:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 3695 states and 5359 transitions. [2024-11-23 18:24:53,510 INFO L78 Accepts]: Start accepts. Automaton has 3695 states and 5359 transitions. Word has length 302 [2024-11-23 18:24:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:53,511 INFO L471 AbstractCegarLoop]: Abstraction has 3695 states and 5359 transitions. [2024-11-23 18:24:53,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-23 18:24:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3695 states and 5359 transitions. [2024-11-23 18:24:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-11-23 18:24:53,518 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:53,518 INFO L218 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] [2024-11-23 18:24:53,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-23 18:24:53,519 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:53,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:53,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2025382581, now seen corresponding path program 1 times [2024-11-23 18:24:53,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:53,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305036110] [2024-11-23 18:24:53,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:53,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-11-23 18:24:54,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:54,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305036110] [2024-11-23 18:24:54,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305036110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:54,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:54,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:24:54,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144494150] [2024-11-23 18:24:54,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:54,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:24:54,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:54,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:24:54,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:54,406 INFO L87 Difference]: Start difference. First operand 3695 states and 5359 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-23 18:24:54,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:54,647 INFO L93 Difference]: Finished difference Result 7050 states and 10212 transitions. [2024-11-23 18:24:54,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:24:54,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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 302 [2024-11-23 18:24:54,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:54,673 INFO L225 Difference]: With dead ends: 7050 [2024-11-23 18:24:54,673 INFO L226 Difference]: Without dead ends: 3432 [2024-11-23 18:24:54,684 INFO L434 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 [2024-11-23 18:24:54,685 INFO L435 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 [2024-11-23 18:24:54,687 INFO L436 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] [2024-11-23 18:24:54,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3432 states. [2024-11-23 18:24:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3432 to 3432. [2024-11-23 18:24:54,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3432 states, 2623 states have (on average 1.3831490659550134) internal successors, (3628), 2645 states have internal predecessors, (3628), 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) [2024-11-23 18:24:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 3432 states and 4943 transitions. [2024-11-23 18:24:54,887 INFO L78 Accepts]: Start accepts. Automaton has 3432 states and 4943 transitions. Word has length 302 [2024-11-23 18:24:54,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:54,888 INFO L471 AbstractCegarLoop]: Abstraction has 3432 states and 4943 transitions. [2024-11-23 18:24:54,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 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) [2024-11-23 18:24:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 4943 transitions. [2024-11-23 18:24:54,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-23 18:24:54,894 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:54,895 INFO L218 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] [2024-11-23 18:24:54,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 18:24:54,895 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:54,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2026546393, now seen corresponding path program 1 times [2024-11-23 18:24:54,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:54,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795455275] [2024-11-23 18:24:54,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:54,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:55,977 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:24:55,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:55,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795455275] [2024-11-23 18:24:55,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795455275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:55,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:55,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:55,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153847052] [2024-11-23 18:24:55,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:55,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:55,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:55,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:55,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:55,982 INFO L87 Difference]: Start difference. First operand 3432 states and 4943 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-23 18:24:56,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:56,304 INFO L93 Difference]: Finished difference Result 6825 states and 9848 transitions. [2024-11-23 18:24:56,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:56,305 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 314 [2024-11-23 18:24:56,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:56,330 INFO L225 Difference]: With dead ends: 6825 [2024-11-23 18:24:56,331 INFO L226 Difference]: Without dead ends: 3470 [2024-11-23 18:24:56,340 INFO L434 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 [2024-11-23 18:24:56,343 INFO L435 NwaCegarLoop]: 2610 mSDtfsCounter, 9 mSDsluCounter, 2591 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 5201 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:56,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 5201 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:24:56,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3470 states. [2024-11-23 18:24:56,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3470 to 3470. [2024-11-23 18:24:56,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3470 states, 2661 states have (on average 1.3769259676813228) internal successors, (3664), 2683 states have internal predecessors, (3664), 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) [2024-11-23 18:24:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3470 states and 4979 transitions. [2024-11-23 18:24:56,543 INFO L78 Accepts]: Start accepts. Automaton has 3470 states and 4979 transitions. Word has length 314 [2024-11-23 18:24:56,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:56,544 INFO L471 AbstractCegarLoop]: Abstraction has 3470 states and 4979 transitions. [2024-11-23 18:24:56,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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) [2024-11-23 18:24:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 3470 states and 4979 transitions. [2024-11-23 18:24:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-23 18:24:56,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:56,551 INFO L218 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] [2024-11-23 18:24:56,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-23 18:24:56,552 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:56,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:56,552 INFO L85 PathProgramCache]: Analyzing trace with hash -364028949, now seen corresponding path program 1 times [2024-11-23 18:24:56,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:56,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329349330] [2024-11-23 18:24:56,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:24:57,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:57,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329349330] [2024-11-23 18:24:57,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329349330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:57,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:57,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:24:57,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271245174] [2024-11-23 18:24:57,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:57,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:24:57,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:57,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:24:57,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:57,738 INFO L87 Difference]: Start difference. First operand 3470 states and 4979 transitions. Second operand has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 5 states have internal predecessors, (151), 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) [2024-11-23 18:24:58,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:58,013 INFO L93 Difference]: Finished difference Result 6865 states and 9865 transitions. [2024-11-23 18:24:58,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:24:58,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 5 states have internal predecessors, (151), 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 314 [2024-11-23 18:24:58,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:58,039 INFO L225 Difference]: With dead ends: 6865 [2024-11-23 18:24:58,039 INFO L226 Difference]: Without dead ends: 3472 [2024-11-23 18:24:58,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:24:58,051 INFO L435 NwaCegarLoop]: 2635 mSDtfsCounter, 0 mSDsluCounter, 10523 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13158 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:24:58,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13158 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:24:58,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2024-11-23 18:24:58,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3472. [2024-11-23 18:24:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3472 states, 2663 states have (on average 1.3766428839654525) internal successors, (3666), 2684 states have internal predecessors, (3666), 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) [2024-11-23 18:24:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 4981 transitions. [2024-11-23 18:24:58,244 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 4981 transitions. Word has length 314 [2024-11-23 18:24:58,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:58,244 INFO L471 AbstractCegarLoop]: Abstraction has 3472 states and 4981 transitions. [2024-11-23 18:24:58,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.166666666666668) internal successors, (151), 5 states have internal predecessors, (151), 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) [2024-11-23 18:24:58,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 4981 transitions. [2024-11-23 18:24:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-23 18:24:58,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:58,252 INFO L218 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] [2024-11-23 18:24:58,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-23 18:24:58,252 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:58,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:58,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1042889818, now seen corresponding path program 1 times [2024-11-23 18:24:58,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:58,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575213694] [2024-11-23 18:24:58,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:58,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:24:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:24:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:24:59,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:24:59,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575213694] [2024-11-23 18:24:59,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575213694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:24:59,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:24:59,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:24:59,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205546310] [2024-11-23 18:24:59,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:24:59,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:24:59,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:24:59,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:24:59,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:24:59,040 INFO L87 Difference]: Start difference. First operand 3472 states and 4981 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) [2024-11-23 18:24:59,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:24:59,345 INFO L93 Difference]: Finished difference Result 6869 states and 9870 transitions. [2024-11-23 18:24:59,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:24:59,347 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 [2024-11-23 18:24:59,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:24:59,368 INFO L225 Difference]: With dead ends: 6869 [2024-11-23 18:24:59,369 INFO L226 Difference]: Without dead ends: 3474 [2024-11-23 18:24:59,379 INFO L434 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 [2024-11-23 18:24:59,380 INFO L435 NwaCegarLoop]: 2630 mSDtfsCounter, 0 mSDsluCounter, 2624 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5254 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 [2024-11-23 18:24:59,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5254 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:24:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3474 states. [2024-11-23 18:24:59,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3474 to 3474. [2024-11-23 18:24:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3474 states, 2665 states have (on average 1.376360225140713) internal successors, (3668), 2686 states have internal predecessors, (3668), 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) [2024-11-23 18:24:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3474 states and 4983 transitions. [2024-11-23 18:24:59,669 INFO L78 Accepts]: Start accepts. Automaton has 3474 states and 4983 transitions. Word has length 315 [2024-11-23 18:24:59,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:24:59,670 INFO L471 AbstractCegarLoop]: Abstraction has 3474 states and 4983 transitions. [2024-11-23 18:24:59,670 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) [2024-11-23 18:24:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3474 states and 4983 transitions. [2024-11-23 18:24:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-23 18:24:59,680 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:24:59,680 INFO L218 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] [2024-11-23 18:24:59,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-23 18:24:59,681 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:24:59,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:24:59,681 INFO L85 PathProgramCache]: Analyzing trace with hash 885382884, now seen corresponding path program 1 times [2024-11-23 18:24:59,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:24:59,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460898012] [2024-11-23 18:24:59,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:24:59,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:00,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:00,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460898012] [2024-11-23 18:25:00,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460898012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:00,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:00,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:00,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290111789] [2024-11-23 18:25:00,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:00,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:00,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:00,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:00,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:00,835 INFO L87 Difference]: Start difference. First operand 3474 states and 4983 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) [2024-11-23 18:25:01,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:01,066 INFO L93 Difference]: Finished difference Result 4087 states and 5808 transitions. [2024-11-23 18:25:01,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:01,067 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 [2024-11-23 18:25:01,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:01,088 INFO L225 Difference]: With dead ends: 4087 [2024-11-23 18:25:01,089 INFO L226 Difference]: Without dead ends: 3476 [2024-11-23 18:25:01,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:01,093 INFO L435 NwaCegarLoop]: 2635 mSDtfsCounter, 0 mSDsluCounter, 10523 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13158 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:01,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13158 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:01,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3476 states. [2024-11-23 18:25:01,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3476 to 3476. [2024-11-23 18:25:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3476 states, 2667 states have (on average 1.3760779902512186) internal successors, (3670), 2687 states have internal predecessors, (3670), 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) [2024-11-23 18:25:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 3476 states and 4985 transitions. [2024-11-23 18:25:01,281 INFO L78 Accepts]: Start accepts. Automaton has 3476 states and 4985 transitions. Word has length 315 [2024-11-23 18:25:01,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:01,281 INFO L471 AbstractCegarLoop]: Abstraction has 3476 states and 4985 transitions. [2024-11-23 18:25:01,282 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) [2024-11-23 18:25:01,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 4985 transitions. [2024-11-23 18:25:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-23 18:25:01,288 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:01,288 INFO L218 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] [2024-11-23 18:25:01,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-23 18:25:01,289 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:01,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:01,290 INFO L85 PathProgramCache]: Analyzing trace with hash -419276506, now seen corresponding path program 1 times [2024-11-23 18:25:01,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:01,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103724728] [2024-11-23 18:25:01,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:01,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:02,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:02,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103724728] [2024-11-23 18:25:02,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103724728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:02,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:02,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:02,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193052793] [2024-11-23 18:25:02,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:02,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:02,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:02,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:02,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:02,287 INFO L87 Difference]: Start difference. First operand 3476 states and 4985 transitions. Second operand has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 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) [2024-11-23 18:25:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:02,575 INFO L93 Difference]: Finished difference Result 6917 states and 9942 transitions. [2024-11-23 18:25:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:02,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 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 322 [2024-11-23 18:25:02,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:02,599 INFO L225 Difference]: With dead ends: 6917 [2024-11-23 18:25:02,599 INFO L226 Difference]: Without dead ends: 3518 [2024-11-23 18:25:02,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:02,609 INFO L435 NwaCegarLoop]: 2629 mSDtfsCounter, 19 mSDsluCounter, 10489 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 13118 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 [2024-11-23 18:25:02,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 13118 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:02,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3518 states. [2024-11-23 18:25:02,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3518 to 3485. [2024-11-23 18:25:02,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 2673 states have (on average 1.376356154133932) internal successors, (3679), 2694 states have internal predecessors, (3679), 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) [2024-11-23 18:25:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 5001 transitions. [2024-11-23 18:25:02,795 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 5001 transitions. Word has length 322 [2024-11-23 18:25:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:02,796 INFO L471 AbstractCegarLoop]: Abstraction has 3485 states and 5001 transitions. [2024-11-23 18:25:02,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 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) [2024-11-23 18:25:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 5001 transitions. [2024-11-23 18:25:02,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-23 18:25:02,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:02,803 INFO L218 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] [2024-11-23 18:25:02,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-23 18:25:02,803 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:02,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash 750117919, now seen corresponding path program 1 times [2024-11-23 18:25:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:02,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961356581] [2024-11-23 18:25:02,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:02,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:03,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:03,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961356581] [2024-11-23 18:25:03,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961356581] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:03,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:03,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:03,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809940579] [2024-11-23 18:25:03,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:03,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:03,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:03,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:03,736 INFO L87 Difference]: Start difference. First operand 3485 states and 5001 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) [2024-11-23 18:25:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:03,978 INFO L93 Difference]: Finished difference Result 6936 states and 9974 transitions. [2024-11-23 18:25:03,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:03,979 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 [2024-11-23 18:25:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:04,003 INFO L225 Difference]: With dead ends: 6936 [2024-11-23 18:25:04,004 INFO L226 Difference]: Without dead ends: 3528 [2024-11-23 18:25:04,013 INFO L434 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 [2024-11-23 18:25:04,013 INFO L435 NwaCegarLoop]: 2669 mSDtfsCounter, 20 mSDsluCounter, 10614 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 13283 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:04,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 13283 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:04,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3528 states. [2024-11-23 18:25:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3528 to 3494. [2024-11-23 18:25:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 2679 states have (on average 1.3766330720418067) internal successors, (3688), 2701 states have internal predecessors, (3688), 664 states have call successors, (664), 151 states have call predecessors, (664), 150 states have return successors, (665), 645 states have call predecessors, (665), 644 states have call successors, (665) [2024-11-23 18:25:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 5017 transitions. [2024-11-23 18:25:04,288 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 5017 transitions. Word has length 323 [2024-11-23 18:25:04,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:04,289 INFO L471 AbstractCegarLoop]: Abstraction has 3494 states and 5017 transitions. [2024-11-23 18:25:04,289 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) [2024-11-23 18:25:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 5017 transitions. [2024-11-23 18:25:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2024-11-23 18:25:04,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:04,297 INFO L218 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] [2024-11-23 18:25:04,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-23 18:25:04,297 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:04,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2078426885, now seen corresponding path program 1 times [2024-11-23 18:25:04,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:04,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285651328] [2024-11-23 18:25:04,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:04,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:05,317 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:05,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:05,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285651328] [2024-11-23 18:25:05,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285651328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:05,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:05,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:05,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263480045] [2024-11-23 18:25:05,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:05,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:05,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:05,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:05,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:05,319 INFO L87 Difference]: Start difference. First operand 3494 states and 5017 transitions. Second operand has 6 states, 6 states have (on average 26.0) internal successors, (156), 5 states have internal predecessors, (156), 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) [2024-11-23 18:25:05,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:05,475 INFO L93 Difference]: Finished difference Result 6648 states and 9518 transitions. [2024-11-23 18:25:05,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:05,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 5 states have internal predecessors, (156), 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 323 [2024-11-23 18:25:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:05,498 INFO L225 Difference]: With dead ends: 6648 [2024-11-23 18:25:05,498 INFO L226 Difference]: Without dead ends: 3231 [2024-11-23 18:25:05,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:05,508 INFO L435 NwaCegarLoop]: 2589 mSDtfsCounter, 0 mSDsluCounter, 10339 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12928 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 [2024-11-23 18:25:05,509 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12928 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:25:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2024-11-23 18:25:05,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 3229. [2024-11-23 18:25:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 2465 states have (on average 1.3647058823529412) internal successors, (3364), 2484 states have internal predecessors, (3364), 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) [2024-11-23 18:25:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 4593 transitions. [2024-11-23 18:25:05,681 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 4593 transitions. Word has length 323 [2024-11-23 18:25:05,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:05,682 INFO L471 AbstractCegarLoop]: Abstraction has 3229 states and 4593 transitions. [2024-11-23 18:25:05,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.0) internal successors, (156), 5 states have internal predecessors, (156), 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) [2024-11-23 18:25:05,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 4593 transitions. [2024-11-23 18:25:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2024-11-23 18:25:05,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:05,689 INFO L218 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] [2024-11-23 18:25:05,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-23 18:25:05,689 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:05,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:05,690 INFO L85 PathProgramCache]: Analyzing trace with hash -414927814, now seen corresponding path program 1 times [2024-11-23 18:25:05,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:05,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805856690] [2024-11-23 18:25:05,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:06,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:06,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805856690] [2024-11-23 18:25:06,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805856690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:06,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:06,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:06,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71071407] [2024-11-23 18:25:06,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:06,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:06,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:06,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:06,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:06,690 INFO L87 Difference]: Start difference. First operand 3229 states and 4593 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) [2024-11-23 18:25:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:06,845 INFO L93 Difference]: Finished difference Result 6080 states and 8659 transitions. [2024-11-23 18:25:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:06,846 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 [2024-11-23 18:25:06,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:06,862 INFO L225 Difference]: With dead ends: 6080 [2024-11-23 18:25:06,862 INFO L226 Difference]: Without dead ends: 2928 [2024-11-23 18:25:06,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:06,871 INFO L435 NwaCegarLoop]: 2587 mSDtfsCounter, 0 mSDsluCounter, 10335 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12922 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:06,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12922 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:25:06,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2928 states. [2024-11-23 18:25:07,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2928 to 2926. [2024-11-23 18:25:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2238 states have (on average 1.3655049151027703) internal successors, (3056), 2256 states have internal predecessors, (3056), 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) [2024-11-23 18:25:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 4158 transitions. [2024-11-23 18:25:07,035 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 4158 transitions. Word has length 324 [2024-11-23 18:25:07,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:07,035 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 4158 transitions. [2024-11-23 18:25:07,036 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) [2024-11-23 18:25:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 4158 transitions. [2024-11-23 18:25:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-23 18:25:07,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:07,042 INFO L218 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] [2024-11-23 18:25:07,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-23 18:25:07,043 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:07,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:07,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1239313374, now seen corresponding path program 1 times [2024-11-23 18:25:07,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:07,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448226836] [2024-11-23 18:25:07,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:07,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-23 18:25:08,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:08,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448226836] [2024-11-23 18:25:08,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448226836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:08,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:08,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:25:08,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380079145] [2024-11-23 18:25:08,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:08,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:25:08,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:08,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:25:08,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:25:08,143 INFO L87 Difference]: Start difference. First operand 2926 states and 4158 transitions. Second operand has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-23 18:25:08,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:08,558 INFO L93 Difference]: Finished difference Result 6619 states and 9575 transitions. [2024-11-23 18:25:08,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:25:08,559 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 336 [2024-11-23 18:25:08,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:08,583 INFO L225 Difference]: With dead ends: 6619 [2024-11-23 18:25:08,583 INFO L226 Difference]: Without dead ends: 3770 [2024-11-23 18:25:08,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:25:08,594 INFO L435 NwaCegarLoop]: 3450 mSDtfsCounter, 591 mSDsluCounter, 16485 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 19935 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:08,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 19935 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:08,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3770 states. [2024-11-23 18:25:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3770 to 2946. [2024-11-23 18:25:08,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2255 states have (on average 1.3685144124168513) internal successors, (3086), 2274 states have internal predecessors, (3086), 552 states have call successors, (552), 138 states have call predecessors, (552), 138 states have return successors, (558), 537 states have call predecessors, (558), 536 states have call successors, (558) [2024-11-23 18:25:08,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4196 transitions. [2024-11-23 18:25:08,788 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4196 transitions. Word has length 336 [2024-11-23 18:25:08,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:08,789 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4196 transitions. [2024-11-23 18:25:08,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.0) internal successors, (161), 7 states have internal predecessors, (161), 4 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-23 18:25:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4196 transitions. [2024-11-23 18:25:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2024-11-23 18:25:08,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:08,795 INFO L218 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] [2024-11-23 18:25:08,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-23 18:25:08,796 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:08,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1017243960, now seen corresponding path program 1 times [2024-11-23 18:25:08,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:08,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391193635] [2024-11-23 18:25:08,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:08,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2024-11-23 18:25:09,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:09,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391193635] [2024-11-23 18:25:09,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391193635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:09,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:09,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718534317] [2024-11-23 18:25:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:09,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:09,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:09,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:09,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:09,803 INFO L87 Difference]: Start difference. First operand 2946 states and 4196 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 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) [2024-11-23 18:25:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:09,984 INFO L93 Difference]: Finished difference Result 3751 states and 5295 transitions. [2024-11-23 18:25:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:09,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 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 335 [2024-11-23 18:25:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:10,006 INFO L225 Difference]: With dead ends: 3751 [2024-11-23 18:25:10,006 INFO L226 Difference]: Without dead ends: 2946 [2024-11-23 18:25:10,010 INFO L434 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 [2024-11-23 18:25:10,010 INFO L435 NwaCegarLoop]: 2584 mSDtfsCounter, 7 mSDsluCounter, 10306 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12890 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:10,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12890 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:10,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-11-23 18:25:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-11-23 18:25:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2255 states have (on average 1.3680709534368072) internal successors, (3085), 2274 states have internal predecessors, (3085), 552 states have call successors, (552), 138 states have call predecessors, (552), 138 states have return successors, (558), 537 states have call predecessors, (558), 536 states have call successors, (558) [2024-11-23 18:25:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4195 transitions. [2024-11-23 18:25:10,174 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4195 transitions. Word has length 335 [2024-11-23 18:25:10,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:10,174 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4195 transitions. [2024-11-23 18:25:10,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 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) [2024-11-23 18:25:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4195 transitions. [2024-11-23 18:25:10,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2024-11-23 18:25:10,180 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:10,180 INFO L218 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] [2024-11-23 18:25:10,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-23 18:25:10,181 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:10,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:10,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1649609465, now seen corresponding path program 1 times [2024-11-23 18:25:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:10,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764368013] [2024-11-23 18:25:10,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:10,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:11,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:11,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764368013] [2024-11-23 18:25:11,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764368013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:11,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:11,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:11,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370538824] [2024-11-23 18:25:11,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:11,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:11,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:11,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:11,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:11,088 INFO L87 Difference]: Start difference. First operand 2946 states and 4195 transitions. Second operand has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-11-23 18:25:11,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:11,237 INFO L93 Difference]: Finished difference Result 3751 states and 5292 transitions. [2024-11-23 18:25:11,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:11,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 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 342 [2024-11-23 18:25:11,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:11,259 INFO L225 Difference]: With dead ends: 3751 [2024-11-23 18:25:11,259 INFO L226 Difference]: Without dead ends: 2946 [2024-11-23 18:25:11,263 INFO L434 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 [2024-11-23 18:25:11,264 INFO L435 NwaCegarLoop]: 2584 mSDtfsCounter, 7 mSDsluCounter, 10308 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12892 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 [2024-11-23 18:25:11,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12892 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:25:11,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-11-23 18:25:11,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-11-23 18:25:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2255 states have (on average 1.3676274944567628) internal successors, (3084), 2274 states have internal predecessors, (3084), 552 states have call successors, (552), 138 states have call predecessors, (552), 138 states have return successors, (558), 537 states have call predecessors, (558), 536 states have call successors, (558) [2024-11-23 18:25:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4194 transitions. [2024-11-23 18:25:11,427 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4194 transitions. Word has length 342 [2024-11-23 18:25:11,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:11,428 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4194 transitions. [2024-11-23 18:25:11,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.666666666666668) internal successors, (172), 5 states have internal predecessors, (172), 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) [2024-11-23 18:25:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4194 transitions. [2024-11-23 18:25:11,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2024-11-23 18:25:11,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:11,434 INFO L218 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] [2024-11-23 18:25:11,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-23 18:25:11,434 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:11,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:11,435 INFO L85 PathProgramCache]: Analyzing trace with hash 837392943, now seen corresponding path program 1 times [2024-11-23 18:25:11,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:11,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798311613] [2024-11-23 18:25:11,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:11,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2024-11-23 18:25:12,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:12,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798311613] [2024-11-23 18:25:12,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798311613] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:12,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:12,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 18:25:12,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849988684] [2024-11-23 18:25:12,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:12,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:12,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:12,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:12,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:12,437 INFO L87 Difference]: Start difference. First operand 2946 states and 4194 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) [2024-11-23 18:25:12,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:12,611 INFO L93 Difference]: Finished difference Result 3751 states and 5291 transitions. [2024-11-23 18:25:12,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:12,612 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 [2024-11-23 18:25:12,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:12,626 INFO L225 Difference]: With dead ends: 3751 [2024-11-23 18:25:12,626 INFO L226 Difference]: Without dead ends: 2946 [2024-11-23 18:25:12,629 INFO L434 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 [2024-11-23 18:25:12,630 INFO L435 NwaCegarLoop]: 2585 mSDtfsCounter, 7 mSDsluCounter, 10309 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12894 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:12,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12894 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:12,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2946 states. [2024-11-23 18:25:12,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2946 to 2946. [2024-11-23 18:25:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2255 states have (on average 1.3671840354767184) internal successors, (3083), 2274 states have internal predecessors, (3083), 552 states have call successors, (552), 138 states have call predecessors, (552), 138 states have return successors, (558), 537 states have call predecessors, (558), 536 states have call successors, (558) [2024-11-23 18:25:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4193 transitions. [2024-11-23 18:25:12,797 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4193 transitions. Word has length 343 [2024-11-23 18:25:12,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:12,797 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4193 transitions. [2024-11-23 18:25:12,798 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) [2024-11-23 18:25:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4193 transitions. [2024-11-23 18:25:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-23 18:25:12,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:12,804 INFO L218 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] [2024-11-23 18:25:12,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-23 18:25:12,804 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:12,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash 986709024, now seen corresponding path program 1 times [2024-11-23 18:25:12,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:12,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35223429] [2024-11-23 18:25:12,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:12,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-23 18:25:13,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:13,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35223429] [2024-11-23 18:25:13,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35223429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:25:13,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49984127] [2024-11-23 18:25:13,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:13,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:25:13,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:25:13,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:25:13,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:25:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:16,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 3124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 18:25:16,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:25:16,844 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-11-23 18:25:16,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:25:16,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49984127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:16,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:25:16,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-11-23 18:25:16,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845436486] [2024-11-23 18:25:16,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:16,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:25:16,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:16,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:25:16,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:25:16,847 INFO L87 Difference]: Start difference. First operand 2946 states and 4193 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) [2024-11-23 18:25:20,867 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 [] [2024-11-23 18:25:23,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:23,176 INFO L93 Difference]: Finished difference Result 8735 states and 12458 transitions. [2024-11-23 18:25:23,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:25:23,176 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 352 [2024-11-23 18:25:23,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:23,212 INFO L225 Difference]: With dead ends: 8735 [2024-11-23 18:25:23,212 INFO L226 Difference]: Without dead ends: 8704 [2024-11-23 18:25:23,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 18:25:23,219 INFO L435 NwaCegarLoop]: 2761 mSDtfsCounter, 4919 mSDsluCounter, 4375 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4919 SdHoareTripleChecker+Valid, 7136 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:23,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4919 Valid, 7136 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 751 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-23 18:25:23,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8704 states. [2024-11-23 18:25:23,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8704 to 8531. [2024-11-23 18:25:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8531 states, 6576 states have (on average 1.3766727493917275) internal successors, (9053), 6623 states have internal predecessors, (9053), 1573 states have call successors, (1573), 369 states have call predecessors, (1573), 381 states have return successors, (1623), 1550 states have call predecessors, (1623), 1557 states have call successors, (1623) [2024-11-23 18:25:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8531 states to 8531 states and 12249 transitions. [2024-11-23 18:25:23,702 INFO L78 Accepts]: Start accepts. Automaton has 8531 states and 12249 transitions. Word has length 352 [2024-11-23 18:25:23,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:23,703 INFO L471 AbstractCegarLoop]: Abstraction has 8531 states and 12249 transitions. [2024-11-23 18:25:23,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-23 18:25:23,703 INFO L276 IsEmpty]: Start isEmpty. Operand 8531 states and 12249 transitions. [2024-11-23 18:25:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-23 18:25:23,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:23,720 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:23,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 18:25:23,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:25:23,920 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:23,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:23,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1409101582, now seen corresponding path program 1 times [2024-11-23 18:25:23,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:23,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091172643] [2024-11-23 18:25:23,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:23,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:24,866 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-11-23 18:25:24,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:24,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091172643] [2024-11-23 18:25:24,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091172643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:25:24,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95989274] [2024-11-23 18:25:24,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:24,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:25:24,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:25:24,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:25:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 18:25:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:27,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 3155 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 18:25:27,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:25:27,549 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-23 18:25:27,549 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:25:27,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95989274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:27,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:25:27,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-23 18:25:27,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682223234] [2024-11-23 18:25:27,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:27,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:25:27,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:27,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:25:27,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:25:27,552 INFO L87 Difference]: Start difference. First operand 8531 states and 12249 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-23 18:25:27,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:27,957 INFO L93 Difference]: Finished difference Result 22642 states and 32554 transitions. [2024-11-23 18:25:27,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:27,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 363 [2024-11-23 18:25:27,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:28,020 INFO L225 Difference]: With dead ends: 22642 [2024-11-23 18:25:28,020 INFO L226 Difference]: Without dead ends: 14155 [2024-11-23 18:25:28,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-23 18:25:28,051 INFO L435 NwaCegarLoop]: 2581 mSDtfsCounter, 2446 mSDsluCounter, 2526 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 5107 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:28,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 5107 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:28,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14155 states. [2024-11-23 18:25:28,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14155 to 13564. [2024-11-23 18:25:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13564 states, 10482 states have (on average 1.3868536538828469) internal successors, (14537), 10546 states have internal predecessors, (14537), 2510 states have call successors, (2510), 547 states have call predecessors, (2510), 571 states have return successors, (2604), 2490 states have call predecessors, (2604), 2494 states have call successors, (2604) [2024-11-23 18:25:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13564 states to 13564 states and 19651 transitions. [2024-11-23 18:25:28,893 INFO L78 Accepts]: Start accepts. Automaton has 13564 states and 19651 transitions. Word has length 363 [2024-11-23 18:25:28,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:28,893 INFO L471 AbstractCegarLoop]: Abstraction has 13564 states and 19651 transitions. [2024-11-23 18:25:28,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 3 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-23 18:25:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 13564 states and 19651 transitions. [2024-11-23 18:25:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-11-23 18:25:28,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:28,911 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:28,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-23 18:25:29,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-23 18:25:29,111 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:29,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1668234781, now seen corresponding path program 1 times [2024-11-23 18:25:29,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:29,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060902612] [2024-11-23 18:25:29,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:29,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-23 18:25:29,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:29,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060902612] [2024-11-23 18:25:29,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060902612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:25:29,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21169669] [2024-11-23 18:25:29,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:29,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:25:29,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:25:29,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:25:29,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 18:25:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:32,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 3159 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 18:25:32,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:25:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-23 18:25:32,254 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:25:32,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21169669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:32,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:25:32,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-23 18:25:32,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837676224] [2024-11-23 18:25:32,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:32,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:25:32,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:32,255 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:25:32,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:25:32,256 INFO L87 Difference]: Start difference. First operand 13564 states and 19651 transitions. Second operand has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:25:32,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:32,648 INFO L93 Difference]: Finished difference Result 13936 states and 20022 transitions. [2024-11-23 18:25:32,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:25:32,649 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 365 [2024-11-23 18:25:32,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:32,677 INFO L225 Difference]: With dead ends: 13936 [2024-11-23 18:25:32,677 INFO L226 Difference]: Without dead ends: 10330 [2024-11-23 18:25:32,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-23 18:25:32,685 INFO L435 NwaCegarLoop]: 2526 mSDtfsCounter, 0 mSDsluCounter, 10091 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12617 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:32,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12617 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:25:32,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10330 states. [2024-11-23 18:25:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10330 to 10330. [2024-11-23 18:25:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10330 states, 7954 states have (on average 1.3898667337188835) internal successors, (11055), 8014 states have internal predecessors, (11055), 1918 states have call successors, (1918), 436 states have call predecessors, (1918), 457 states have return successors, (1989), 1899 states have call predecessors, (1989), 1909 states have call successors, (1989) [2024-11-23 18:25:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10330 states to 10330 states and 14962 transitions. [2024-11-23 18:25:33,181 INFO L78 Accepts]: Start accepts. Automaton has 10330 states and 14962 transitions. Word has length 365 [2024-11-23 18:25:33,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:33,182 INFO L471 AbstractCegarLoop]: Abstraction has 10330 states and 14962 transitions. [2024-11-23 18:25:33,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 31.833333333333332) internal successors, (191), 5 states have internal predecessors, (191), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:25:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 10330 states and 14962 transitions. [2024-11-23 18:25:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-23 18:25:33,192 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:33,192 INFO L218 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:33,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-23 18:25:33,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:25:33,393 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:33,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:33,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1162877920, now seen corresponding path program 1 times [2024-11-23 18:25:33,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:33,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463135342] [2024-11-23 18:25:33,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:33,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-23 18:25:34,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:34,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463135342] [2024-11-23 18:25:34,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463135342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:34,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:34,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:25:34,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190735203] [2024-11-23 18:25:34,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:34,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:25:34,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:34,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:25:34,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:25:34,183 INFO L87 Difference]: Start difference. First operand 10330 states and 14962 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-23 18:25:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:34,750 INFO L93 Difference]: Finished difference Result 20743 states and 30169 transitions. [2024-11-23 18:25:34,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:34,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 410 [2024-11-23 18:25:34,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:34,790 INFO L225 Difference]: With dead ends: 20743 [2024-11-23 18:25:34,790 INFO L226 Difference]: Without dead ends: 10510 [2024-11-23 18:25:34,814 INFO L434 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 [2024-11-23 18:25:34,814 INFO L435 NwaCegarLoop]: 2515 mSDtfsCounter, 6 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 5009 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:34,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 5009 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:25:34,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10510 states. [2024-11-23 18:25:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10510 to 10490. [2024-11-23 18:25:35,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10490 states, 8099 states have (on average 1.385356216816891) internal successors, (11220), 8169 states have internal predecessors, (11220), 1933 states have call successors, (1933), 436 states have call predecessors, (1933), 457 states have return successors, (2029), 1904 states have call predecessors, (2029), 1924 states have call successors, (2029) [2024-11-23 18:25:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10490 states to 10490 states and 15182 transitions. [2024-11-23 18:25:35,537 INFO L78 Accepts]: Start accepts. Automaton has 10490 states and 15182 transitions. Word has length 410 [2024-11-23 18:25:35,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:35,537 INFO L471 AbstractCegarLoop]: Abstraction has 10490 states and 15182 transitions. [2024-11-23 18:25:35,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-23 18:25:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 10490 states and 15182 transitions. [2024-11-23 18:25:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-11-23 18:25:35,550 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:35,551 INFO L218 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:35,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-23 18:25:35,551 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:35,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:35,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1030280445, now seen corresponding path program 1 times [2024-11-23 18:25:35,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:35,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138615220] [2024-11-23 18:25:35,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:35,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-23 18:25:36,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:36,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138615220] [2024-11-23 18:25:36,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138615220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:36,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:36,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:25:36,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268999363] [2024-11-23 18:25:36,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:36,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:25:36,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:36,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:25:36,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:25:36,291 INFO L87 Difference]: Start difference. First operand 10490 states and 15182 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-23 18:25:36,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:36,800 INFO L93 Difference]: Finished difference Result 21073 states and 30624 transitions. [2024-11-23 18:25:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:36,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 393 [2024-11-23 18:25:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:36,849 INFO L225 Difference]: With dead ends: 21073 [2024-11-23 18:25:36,849 INFO L226 Difference]: Without dead ends: 10680 [2024-11-23 18:25:36,875 INFO L434 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 [2024-11-23 18:25:36,876 INFO L435 NwaCegarLoop]: 2510 mSDtfsCounter, 10 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 5004 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:36,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 5004 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 18:25:36,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10680 states. [2024-11-23 18:25:37,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10680 to 10635. [2024-11-23 18:25:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10635 states, 8229 states have (on average 1.3810912626078502) internal successors, (11365), 8309 states have internal predecessors, (11365), 1948 states have call successors, (1948), 436 states have call predecessors, (1948), 457 states have return successors, (2069), 1909 states have call predecessors, (2069), 1939 states have call successors, (2069) [2024-11-23 18:25:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10635 states to 10635 states and 15382 transitions. [2024-11-23 18:25:37,574 INFO L78 Accepts]: Start accepts. Automaton has 10635 states and 15382 transitions. Word has length 393 [2024-11-23 18:25:37,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:37,574 INFO L471 AbstractCegarLoop]: Abstraction has 10635 states and 15382 transitions. [2024-11-23 18:25:37,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-23 18:25:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 10635 states and 15382 transitions. [2024-11-23 18:25:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-23 18:25:37,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:37,594 INFO L218 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:37,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-23 18:25:37,594 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:37,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:37,594 INFO L85 PathProgramCache]: Analyzing trace with hash 523131094, now seen corresponding path program 1 times [2024-11-23 18:25:37,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972786964] [2024-11-23 18:25:37,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-23 18:25:38,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:38,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972786964] [2024-11-23 18:25:38,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972786964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:38,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:38,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:25:38,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895492700] [2024-11-23 18:25:38,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:38,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:25:38,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:38,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:25:38,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:25:38,203 INFO L87 Difference]: Start difference. First operand 10635 states and 15382 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:25:38,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:38,482 INFO L93 Difference]: Finished difference Result 21178 states and 30679 transitions. [2024-11-23 18:25:38,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:38,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 392 [2024-11-23 18:25:38,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:38,524 INFO L225 Difference]: With dead ends: 21178 [2024-11-23 18:25:38,524 INFO L226 Difference]: Without dead ends: 10640 [2024-11-23 18:25:38,549 INFO L434 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 [2024-11-23 18:25:38,550 INFO L435 NwaCegarLoop]: 2524 mSDtfsCounter, 0 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5044 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 [2024-11-23 18:25:38,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5044 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:25:38,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10640 states. [2024-11-23 18:25:39,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10640 to 10640. [2024-11-23 18:25:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10640 states, 8234 states have (on average 1.3808598494049065) internal successors, (11370), 8314 states have internal predecessors, (11370), 1948 states have call successors, (1948), 436 states have call predecessors, (1948), 457 states have return successors, (2069), 1909 states have call predecessors, (2069), 1939 states have call successors, (2069) [2024-11-23 18:25:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10640 states to 10640 states and 15387 transitions. [2024-11-23 18:25:39,297 INFO L78 Accepts]: Start accepts. Automaton has 10640 states and 15387 transitions. Word has length 392 [2024-11-23 18:25:39,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:39,298 INFO L471 AbstractCegarLoop]: Abstraction has 10640 states and 15387 transitions. [2024-11-23 18:25:39,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-23 18:25:39,299 INFO L276 IsEmpty]: Start isEmpty. Operand 10640 states and 15387 transitions. [2024-11-23 18:25:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-11-23 18:25:39,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:39,330 INFO L218 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:39,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-23 18:25:39,330 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:39,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:39,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2037731752, now seen corresponding path program 1 times [2024-11-23 18:25:39,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:39,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885346655] [2024-11-23 18:25:39,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:39,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-11-23 18:25:40,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:40,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885346655] [2024-11-23 18:25:40,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885346655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:40,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:40,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:25:40,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660463776] [2024-11-23 18:25:40,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:40,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:25:40,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:40,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:25:40,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:25:40,287 INFO L87 Difference]: Start difference. First operand 10640 states and 15387 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-11-23 18:25:42,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 18:25:43,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:43,608 INFO L93 Difference]: Finished difference Result 21979 states and 31945 transitions. [2024-11-23 18:25:43,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:25:43,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 392 [2024-11-23 18:25:43,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:43,671 INFO L225 Difference]: With dead ends: 21979 [2024-11-23 18:25:43,671 INFO L226 Difference]: Without dead ends: 11436 [2024-11-23 18:25:43,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:25:43,697 INFO L435 NwaCegarLoop]: 2664 mSDtfsCounter, 129 mSDsluCounter, 7719 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 10383 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:43,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 10383 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-23 18:25:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11436 states. [2024-11-23 18:25:44,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11436 to 10660. [2024-11-23 18:25:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10660 states, 8254 states have (on average 1.3811485340440999) internal successors, (11400), 8334 states have internal predecessors, (11400), 1948 states have call successors, (1948), 436 states have call predecessors, (1948), 457 states have return successors, (2069), 1909 states have call predecessors, (2069), 1939 states have call successors, (2069) [2024-11-23 18:25:44,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10660 states to 10660 states and 15417 transitions. [2024-11-23 18:25:44,332 INFO L78 Accepts]: Start accepts. Automaton has 10660 states and 15417 transitions. Word has length 392 [2024-11-23 18:25:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:44,333 INFO L471 AbstractCegarLoop]: Abstraction has 10660 states and 15417 transitions. [2024-11-23 18:25:44,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-11-23 18:25:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 10660 states and 15417 transitions. [2024-11-23 18:25:44,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-23 18:25:44,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:44,350 INFO L218 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:44,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-23 18:25:44,351 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:44,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:44,352 INFO L85 PathProgramCache]: Analyzing trace with hash 228153728, now seen corresponding path program 1 times [2024-11-23 18:25:44,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:44,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77959873] [2024-11-23 18:25:44,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:45,595 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-23 18:25:45,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:45,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77959873] [2024-11-23 18:25:45,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77959873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:45,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:45,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:25:45,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212529297] [2024-11-23 18:25:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:45,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:25:45,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:45,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:25:45,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:25:45,597 INFO L87 Difference]: Start difference. First operand 10660 states and 15417 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-11-23 18:25:46,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:46,942 INFO L93 Difference]: Finished difference Result 22049 states and 32050 transitions. [2024-11-23 18:25:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:25:46,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 410 [2024-11-23 18:25:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:47,027 INFO L225 Difference]: With dead ends: 22049 [2024-11-23 18:25:47,027 INFO L226 Difference]: Without dead ends: 11486 [2024-11-23 18:25:47,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:25:47,064 INFO L435 NwaCegarLoop]: 2514 mSDtfsCounter, 132 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:47,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 7486 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 18:25:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11486 states. [2024-11-23 18:25:47,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11486 to 10690. [2024-11-23 18:25:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10690 states, 8284 states have (on average 1.3803718010622887) internal successors, (11435), 8364 states have internal predecessors, (11435), 1948 states have call successors, (1948), 436 states have call predecessors, (1948), 457 states have return successors, (2069), 1909 states have call predecessors, (2069), 1939 states have call successors, (2069) [2024-11-23 18:25:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10690 states to 10690 states and 15452 transitions. [2024-11-23 18:25:47,774 INFO L78 Accepts]: Start accepts. Automaton has 10690 states and 15452 transitions. Word has length 410 [2024-11-23 18:25:47,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:47,775 INFO L471 AbstractCegarLoop]: Abstraction has 10690 states and 15452 transitions. [2024-11-23 18:25:47,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2024-11-23 18:25:47,775 INFO L276 IsEmpty]: Start isEmpty. Operand 10690 states and 15452 transitions. [2024-11-23 18:25:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-11-23 18:25:47,791 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:47,791 INFO L218 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:47,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-23 18:25:47,792 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:47,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:47,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1921661154, now seen corresponding path program 1 times [2024-11-23 18:25:47,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:47,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690155693] [2024-11-23 18:25:47,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:47,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-23 18:25:48,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:48,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690155693] [2024-11-23 18:25:48,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690155693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:48,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:48,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 18:25:48,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832330933] [2024-11-23 18:25:48,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:48,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:25:48,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:48,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:25:48,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:25:48,578 INFO L87 Difference]: Start difference. First operand 10690 states and 15452 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:25:48,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:48,945 INFO L93 Difference]: Finished difference Result 21358 states and 30924 transitions. [2024-11-23 18:25:48,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:25:48,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 374 [2024-11-23 18:25:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:48,997 INFO L225 Difference]: With dead ends: 21358 [2024-11-23 18:25:48,998 INFO L226 Difference]: Without dead ends: 10765 [2024-11-23 18:25:49,023 INFO L434 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 [2024-11-23 18:25:49,023 INFO L435 NwaCegarLoop]: 2544 mSDtfsCounter, 196 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 4837 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:49,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 4837 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:25:49,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10765 states. [2024-11-23 18:25:49,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10765 to 10695. [2024-11-23 18:25:49,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10695 states, 8289 states have (on average 1.3801423573410545) internal successors, (11440), 8369 states have internal predecessors, (11440), 1948 states have call successors, (1948), 436 states have call predecessors, (1948), 457 states have return successors, (2069), 1909 states have call predecessors, (2069), 1939 states have call successors, (2069) [2024-11-23 18:25:49,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10695 states to 10695 states and 15457 transitions. [2024-11-23 18:25:49,581 INFO L78 Accepts]: Start accepts. Automaton has 10695 states and 15457 transitions. Word has length 374 [2024-11-23 18:25:49,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:49,582 INFO L471 AbstractCegarLoop]: Abstraction has 10695 states and 15457 transitions. [2024-11-23 18:25:49,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 3 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-23 18:25:49,582 INFO L276 IsEmpty]: Start isEmpty. Operand 10695 states and 15457 transitions. [2024-11-23 18:25:49,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-23 18:25:49,594 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:49,594 INFO L218 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:49,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-23 18:25:49,594 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:49,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:49,595 INFO L85 PathProgramCache]: Analyzing trace with hash 816885864, now seen corresponding path program 1 times [2024-11-23 18:25:49,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:49,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973912655] [2024-11-23 18:25:49,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:49,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-23 18:25:50,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:50,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973912655] [2024-11-23 18:25:50,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973912655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:50,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:50,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:25:50,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075186970] [2024-11-23 18:25:50,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:50,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:25:50,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:50,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:25:50,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:25:50,304 INFO L87 Difference]: Start difference. First operand 10695 states and 15457 transitions. Second operand has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-23 18:25:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:51,803 INFO L93 Difference]: Finished difference Result 21363 states and 30924 transitions. [2024-11-23 18:25:51,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:25:51,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 376 [2024-11-23 18:25:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:51,849 INFO L225 Difference]: With dead ends: 21363 [2024-11-23 18:25:51,849 INFO L226 Difference]: Without dead ends: 10765 [2024-11-23 18:25:51,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:25:51,874 INFO L435 NwaCegarLoop]: 2541 mSDtfsCounter, 199 mSDsluCounter, 4805 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 7346 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:51,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 7346 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-23 18:25:51,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10765 states. [2024-11-23 18:25:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10765 to 10695. [2024-11-23 18:25:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10695 states, 8289 states have (on average 1.3789359391965255) internal successors, (11430), 8369 states have internal predecessors, (11430), 1948 states have call successors, (1948), 436 states have call predecessors, (1948), 457 states have return successors, (2069), 1909 states have call predecessors, (2069), 1939 states have call successors, (2069) [2024-11-23 18:25:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10695 states to 10695 states and 15447 transitions. [2024-11-23 18:25:52,478 INFO L78 Accepts]: Start accepts. Automaton has 10695 states and 15447 transitions. Word has length 376 [2024-11-23 18:25:52,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:52,479 INFO L471 AbstractCegarLoop]: Abstraction has 10695 states and 15447 transitions. [2024-11-23 18:25:52,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.75) internal successors, (187), 4 states have internal predecessors, (187), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2024-11-23 18:25:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 10695 states and 15447 transitions. [2024-11-23 18:25:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-23 18:25:52,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:52,497 INFO L218 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:52,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-23 18:25:52,497 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:52,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:52,497 INFO L85 PathProgramCache]: Analyzing trace with hash -204182490, now seen corresponding path program 1 times [2024-11-23 18:25:52,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:52,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258020912] [2024-11-23 18:25:52,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-23 18:25:54,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:54,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258020912] [2024-11-23 18:25:54,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258020912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:54,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:54,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:25:54,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948049501] [2024-11-23 18:25:54,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:54,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:25:54,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:54,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:25:54,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:25:54,320 INFO L87 Difference]: Start difference. First operand 10695 states and 15447 transitions. Second operand has 7 states, 7 states have (on average 27.0) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 18:25:55,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:55,100 INFO L93 Difference]: Finished difference Result 21432 states and 31033 transitions. [2024-11-23 18:25:55,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 18:25:55,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 27.0) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36) Word has length 376 [2024-11-23 18:25:55,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:55,148 INFO L225 Difference]: With dead ends: 21432 [2024-11-23 18:25:55,149 INFO L226 Difference]: Without dead ends: 10834 [2024-11-23 18:25:55,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:25:55,173 INFO L435 NwaCegarLoop]: 2536 mSDtfsCounter, 50 mSDsluCounter, 12609 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 15145 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:55,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 15145 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 18:25:55,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10834 states. [2024-11-23 18:25:55,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10834 to 10820. [2024-11-23 18:25:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10820 states, 8384 states have (on average 1.3770276717557253) internal successors, (11545), 8464 states have internal predecessors, (11545), 1968 states have call successors, (1968), 436 states have call predecessors, (1968), 467 states have return successors, (2129), 1939 states have call predecessors, (2129), 1959 states have call successors, (2129) [2024-11-23 18:25:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10820 states to 10820 states and 15642 transitions. [2024-11-23 18:25:55,749 INFO L78 Accepts]: Start accepts. Automaton has 10820 states and 15642 transitions. Word has length 376 [2024-11-23 18:25:55,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:55,750 INFO L471 AbstractCegarLoop]: Abstraction has 10820 states and 15642 transitions. [2024-11-23 18:25:55,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.0) internal successors, (189), 5 states have internal predecessors, (189), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-23 18:25:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 10820 states and 15642 transitions. [2024-11-23 18:25:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2024-11-23 18:25:55,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:55,761 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:55,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-23 18:25:55,762 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:55,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:55,762 INFO L85 PathProgramCache]: Analyzing trace with hash -317717396, now seen corresponding path program 1 times [2024-11-23 18:25:55,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:55,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361314493] [2024-11-23 18:25:55,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:55,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:25:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-11-23 18:25:57,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:25:57,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361314493] [2024-11-23 18:25:57,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361314493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:25:57,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:25:57,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:25:57,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247494444] [2024-11-23 18:25:57,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:25:57,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:25:57,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:25:57,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:25:57,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:25:57,974 INFO L87 Difference]: Start difference. First operand 10820 states and 15642 transitions. Second operand has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-23 18:25:58,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:25:58,605 INFO L93 Difference]: Finished difference Result 18179 states and 25965 transitions. [2024-11-23 18:25:58,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:25:58,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 434 [2024-11-23 18:25:58,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:25:58,638 INFO L225 Difference]: With dead ends: 18179 [2024-11-23 18:25:58,638 INFO L226 Difference]: Without dead ends: 7456 [2024-11-23 18:25:58,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:25:58,661 INFO L435 NwaCegarLoop]: 1659 mSDtfsCounter, 3 mSDsluCounter, 3177 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4836 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:25:58,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4836 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 18:25:58,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7456 states. [2024-11-23 18:25:58,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7456 to 7371. [2024-11-23 18:25:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7371 states, 5736 states have (on average 1.3558228730822872) internal successors, (7777), 5791 states have internal predecessors, (7777), 1222 states have call successors, (1222), 381 states have call predecessors, (1222), 412 states have return successors, (1299), 1218 states have call predecessors, (1299), 1214 states have call successors, (1299) [2024-11-23 18:25:58,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7371 states to 7371 states and 10298 transitions. [2024-11-23 18:25:58,968 INFO L78 Accepts]: Start accepts. Automaton has 7371 states and 10298 transitions. Word has length 434 [2024-11-23 18:25:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:25:58,969 INFO L471 AbstractCegarLoop]: Abstraction has 7371 states and 10298 transitions. [2024-11-23 18:25:58,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.75) internal successors, (211), 4 states have internal predecessors, (211), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2024-11-23 18:25:58,969 INFO L276 IsEmpty]: Start isEmpty. Operand 7371 states and 10298 transitions. [2024-11-23 18:25:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-11-23 18:25:58,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:25:58,977 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:25:58,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-23 18:25:58,977 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:25:58,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:25:58,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2031928909, now seen corresponding path program 1 times [2024-11-23 18:25:58,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:25:58,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419406068] [2024-11-23 18:25:58,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:25:58,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:25:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:26:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-23 18:26:01,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:26:01,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419406068] [2024-11-23 18:26:01,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419406068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:26:01,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:26:01,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:26:01,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501213717] [2024-11-23 18:26:01,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:26:01,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:26:01,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:26:01,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:26:01,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:26:01,045 INFO L87 Difference]: Start difference. First operand 7371 states and 10298 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-23 18:26:01,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:26:01,502 INFO L93 Difference]: Finished difference Result 11554 states and 15830 transitions. [2024-11-23 18:26:01,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:26:01,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 396 [2024-11-23 18:26:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:26:01,543 INFO L225 Difference]: With dead ends: 11554 [2024-11-23 18:26:01,544 INFO L226 Difference]: Without dead ends: 4280 [2024-11-23 18:26:01,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:26:01,560 INFO L435 NwaCegarLoop]: 959 mSDtfsCounter, 7 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2808 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 18:26:01,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 2808 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 18:26:01,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4280 states. [2024-11-23 18:26:01,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4280 to 4215. [2024-11-23 18:26:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4215 states, 3258 states have (on average 1.2995702885205647) internal successors, (4234), 3287 states have internal predecessors, (4234), 649 states have call successors, (649), 290 states have call predecessors, (649), 307 states have return successors, (669), 642 states have call predecessors, (669), 644 states have call successors, (669) [2024-11-23 18:26:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 4215 states and 5552 transitions. [2024-11-23 18:26:01,814 INFO L78 Accepts]: Start accepts. Automaton has 4215 states and 5552 transitions. Word has length 396 [2024-11-23 18:26:01,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:26:01,814 INFO L471 AbstractCegarLoop]: Abstraction has 4215 states and 5552 transitions. [2024-11-23 18:26:01,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-23 18:26:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 4215 states and 5552 transitions. [2024-11-23 18:26:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2024-11-23 18:26:01,821 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:26:01,821 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:26:01,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-23 18:26:01,821 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:26:01,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:26:01,822 INFO L85 PathProgramCache]: Analyzing trace with hash 713255046, now seen corresponding path program 1 times [2024-11-23 18:26:01,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:26:01,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353084758] [2024-11-23 18:26:01,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:26:01,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:26:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:26:04,396 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-11-23 18:26:04,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:26:04,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353084758] [2024-11-23 18:26:04,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353084758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:26:04,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:26:04,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 18:26:04,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893679004] [2024-11-23 18:26:04,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:26:04,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 18:26:04,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:26:04,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 18:26:04,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 18:26:04,399 INFO L87 Difference]: Start difference. First operand 4215 states and 5552 transitions. Second operand has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:26:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:26:04,561 INFO L93 Difference]: Finished difference Result 5893 states and 7760 transitions. [2024-11-23 18:26:04,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 18:26:04,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 416 [2024-11-23 18:26:04,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:26:04,584 INFO L225 Difference]: With dead ends: 5893 [2024-11-23 18:26:04,585 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:26:04,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:26:04,593 INFO L435 NwaCegarLoop]: 369 mSDtfsCounter, 7 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 18:26:04,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1081 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:26:04,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:26:04,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:26:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:26:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:26:04,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2024-11-23 18:26:04,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:26:04,611 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:26:04,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.5) internal successors, (222), 4 states have internal predecessors, (222), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2024-11-23 18:26:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:26:04,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:26:04,615 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:26:04,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-23 18:26:04,618 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:26:04,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:26:26,492 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:26:26,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:26:26 BoogieIcfgContainer [2024-11-23 18:26:26,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:26:26,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:26:26,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:26:26,521 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:26:26,525 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:23:56" (3/4) ... [2024-11-23 18:26:26,528 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:26:26,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_from_user [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#23 [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#22 [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_do_mpt_command [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_do_fw_download [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_get_msg_frame [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_set_taskmgmt_in_progress_flag [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __phys_addr [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion_timeout [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_put_msg_frame_hi_pri [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2024-11-23 18:26:26,535 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mpctl_mutex [2024-11-23 18:26:26,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-23 18:26:26,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-23 18:26:26,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_free_fw_memory [2024-11-23 18:26:26,536 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_GetIocState [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_verify_adapter [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_do_taskmgmt [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unmap_single [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_send_handshake_request [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_clear_taskmgmt_in_progress_flag [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_trylock [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_register [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __scsi_iterate_devices [2024-11-23 18:26:26,537 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_free_consistent [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copy_to_user [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_timeout_expired [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __might_fault [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_syscall_down [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-23 18:26:26,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_deregister [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_device_driver_deregister [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_dma_direction [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree_sgl [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_remove [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#18 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#17 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#16 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#15 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#14 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#13 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#12 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure shost_priv [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_put_msg_frame [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mpctl_mutex [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#19 [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_alloc_consistent [2024-11-23 18:26:26,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#21 [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#20 [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mptctl_fasync [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_config [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mpt_free_msg_frame [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mptctl_ioctl [2024-11-23 18:26:26,540 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-23 18:26:26,609 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 631 nodes and edges [2024-11-23 18:26:26,617 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 149 nodes and edges [2024-11-23 18:26:26,629 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2024-11-23 18:26:26,640 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-11-23 18:26:26,649 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-23 18:26:26,654 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-23 18:26:26,657 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 18:26:26,661 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:26:27,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:26:27,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:26:27,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:26:27,118 INFO L158 Benchmark]: Toolchain (without parser) took 174265.35ms. Allocated memory was 117.4MB in the beginning and 4.4GB in the end (delta: 4.2GB). Free memory was 80.6MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 944.0MB. Max. memory is 16.1GB. [2024-11-23 18:26:27,118 INFO L158 Benchmark]: CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:26:27,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2934.08ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 65.7MB in the end (delta: 14.9MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2024-11-23 18:26:27,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 397.46ms. Allocated memory is still 151.0MB. Free memory was 65.7MB in the beginning and 64.7MB in the end (delta: 931.2kB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-23 18:26:27,119 INFO L158 Benchmark]: Boogie Preprocessor took 1520.66ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 64.7MB in the beginning and 212.6MB in the end (delta: -147.9MB). Peak memory consumption was 152.7MB. Max. memory is 16.1GB. [2024-11-23 18:26:27,119 INFO L158 Benchmark]: RCFGBuilder took 19020.33ms. Allocated memory is still 318.8MB. Free memory was 212.6MB in the beginning and 83.3MB in the end (delta: 129.3MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. [2024-11-23 18:26:27,119 INFO L158 Benchmark]: TraceAbstraction took 149789.20ms. Allocated memory was 318.8MB in the beginning and 4.4GB in the end (delta: 4.0GB). Free memory was 83.3MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-23 18:26:27,120 INFO L158 Benchmark]: Witness Printer took 595.51ms. Allocated memory is still 4.4GB. Free memory was 3.5GB in the beginning and 3.4GB in the end (delta: 84.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-11-23 18:26:27,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.64ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2934.08ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 65.7MB in the end (delta: 14.9MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 397.46ms. Allocated memory is still 151.0MB. Free memory was 65.7MB in the beginning and 64.7MB in the end (delta: 931.2kB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1520.66ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 64.7MB in the beginning and 212.6MB in the end (delta: -147.9MB). Peak memory consumption was 152.7MB. Max. memory is 16.1GB. * RCFGBuilder took 19020.33ms. Allocated memory is still 318.8MB. Free memory was 212.6MB in the beginning and 83.3MB in the end (delta: 129.3MB). Peak memory consumption was 182.6MB. Max. memory is 16.1GB. * TraceAbstraction took 149789.20ms. Allocated memory was 318.8MB in the beginning and 4.4GB in the end (delta: 4.0GB). Free memory was 83.3MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 595.51ms. Allocated memory is still 4.4GB. Free memory was 3.5GB in the beginning and 3.4GB in the end (delta: 84.3MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5693]: 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] - GenericResultAtLocation [Line: 5722]: 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 9091]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 88 procedures, 1894 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 127.8s, OverallIterations: 46, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 52.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 27928 SdHoareTripleChecker+Valid, 38.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27545 mSDsluCounter, 385652 SdHoareTripleChecker+Invalid, 37.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 266296 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2220 IncrementalHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 119356 mSDtfsCounter, 2220 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1306 GetRequests, 1177 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13564occurred in iteration=34, InterpolantAutomatonStates: 201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 14.7s AutomataMinimizationTime, 46 MinimizatonAttempts, 4551 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 15047 NumberOfCodeBlocks, 15047 NumberOfCodeBlocksAsserted, 49 NumberOfCheckSat, 14998 ConstructedInterpolants, 0 QuantifiedInterpolants, 17513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 9438 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 49 InterpolantComputations, 46 PerfectInterpolantSequences, 16139/16157 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8578]: Location Invariant Derived location invariant: (((((((((ldv_state_variable_2 == 1) && (ldv_mutex_mpctl_mutex == 1)) && (ldv_state_variable_0 == 1)) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (err != 0)) && (ldv_mutex_mutex_of__MPT_MGMT == 1)) || ((((((((ldv_mutex_mpctl_mutex == 1) && (ldv_state_variable_0 == 1)) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_state_variable_2 == 0)) && (err != 0)) && (ldv_mutex_mutex_of__MPT_MGMT == 1))) RESULT: Ultimate proved your program to be correct! [2024-11-23 18:26:27,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72d2917d-9979-47f9-b0ad-99a3f8b2ef0a/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE