./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34ead930b8137fdc7abb50622ed73bdb27f2c7ae71d0ef3b9d44cfc9bee95799 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:22:24,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:22:24,256 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-29 04:22:24,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:22:24,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:22:24,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:22:24,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:22:24,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:22:24,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:22:24,287 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:22:24,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:22:24,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:22:24,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:22:24,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:22:24,290 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:22:24,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:22:24,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:22:24,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:22:24,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:22:24,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:22:24,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:22:24,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:22:24,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:22:24,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:22:24,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:22:24,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:22:24,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:22:24,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:22:24,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:22:24,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:22:24,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:22:24,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:22:24,298 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:22:24,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:22:24,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:22:24,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:22:24,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:22:24,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:22:24,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:22:24,300 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34ead930b8137fdc7abb50622ed73bdb27f2c7ae71d0ef3b9d44cfc9bee95799 [2023-11-29 04:22:24,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:22:24,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:22:24,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:22:24,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:22:24,542 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:22:24,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-11-29 04:22:27,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:22:27,632 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:22:27,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-11-29 04:22:27,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/data/e744a5869/06c3973837b6429595ed876444c6f5ef/FLAGc7ab8a2c2 [2023-11-29 04:22:27,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/data/e744a5869/06c3973837b6429595ed876444c6f5ef [2023-11-29 04:22:27,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:22:27,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:22:27,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:22:27,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:22:27,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:22:27,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:22:27" (1/1) ... [2023-11-29 04:22:27,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e751568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:27, skipping insertion in model container [2023-11-29 04:22:27,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:22:27" (1/1) ... [2023-11-29 04:22:27,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:22:28,814 WARN L240 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_85107846-e40a-428c-a1c8-e8b6364e83c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2023-11-29 04:22:28,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:22:28,879 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:22:29,057 WARN L240 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_85107846-e40a-428c-a1c8-e8b6364e83c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[145794,145807] [2023-11-29 04:22:29,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:22:29,105 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:22:29,112 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:22:29,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29 WrapperNode [2023-11-29 04:22:29,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:22:29,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:22:29,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:22:29,114 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:22:29,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,238 INFO L138 Inliner]: procedures = 138, calls = 864, calls flagged for inlining = 61, calls inlined = 52, statements flattened = 1842 [2023-11-29 04:22:29,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:22:29,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:22:29,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:22:29,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:22:29,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,429 INFO L175 MemorySlicer]: Split 375 memory accesses to 16 slices as follows [3, 21, 2, 172, 74, 17, 13, 2, 28, 10, 1, 5, 6, 12, 1, 8]. 46 percent of accesses are in the largest equivalence class. The 159 initializations are split as follows [0, 21, 2, 4, 74, 0, 0, 0, 28, 10, 0, 0, 0, 12, 0, 8]. The 90 writes are split as follows [2, 0, 0, 60, 0, 8, 12, 2, 0, 0, 1, 3, 1, 0, 1, 0]. [2023-11-29 04:22:29,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,429 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:22:29,537 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:22:29,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:22:29,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:22:29,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (1/1) ... [2023-11-29 04:22:29,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:22:29,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:22:29,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:22:29,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:22:29,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-29 04:22:29,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-29 04:22:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-29 04:22:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-29 04:22:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-29 04:22:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-29 04:22:29,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-29 04:22:29,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-29 04:22:29,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-29 04:22:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-29 04:22:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-29 04:22:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-29 04:22:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-29 04:22:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-29 04:22:29,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-29 04:22:29,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-29 04:22:29,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 04:22:29,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-29 04:22:29,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-29 04:22:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-29 04:22:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-29 04:22:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-29 04:22:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-29 04:22:29,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-29 04:22:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-29 04:22:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-29 04:22:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-29 04:22:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2023-11-29 04:22:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2023-11-29 04:22:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-29 04:22:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-29 04:22:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2023-11-29 04:22:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2023-11-29 04:22:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-29 04:22:29,613 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-29 04:22:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 04:22:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 04:22:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 04:22:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 04:22:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-29 04:22:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-29 04:22:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-29 04:22:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-29 04:22:29,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-29 04:22:29,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2023-11-29 04:22:29,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2023-11-29 04:22:29,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2023-11-29 04:22:29,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2023-11-29 04:22:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2023-11-29 04:22:29,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2023-11-29 04:22:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-29 04:22:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-29 04:22:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:22:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:22:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:22:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-29 04:22:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-29 04:22:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-29 04:22:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-29 04:22:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-29 04:22:29,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-29 04:22:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:22:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:22:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 04:22:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 04:22:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-29 04:22:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-29 04:22:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-29 04:22:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-29 04:22:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-29 04:22:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-29 04:22:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-29 04:22:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-29 04:22:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-29 04:22:29,624 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-29 04:22:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-29 04:22:29,624 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-11-29 04:22:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-11-29 04:22:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-11-29 04:22:29,625 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-11-29 04:22:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 04:22:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 04:22:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-29 04:22:29,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-29 04:22:29,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-29 04:22:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-29 04:22:29,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-29 04:22:29,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-29 04:22:29,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-29 04:22:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-29 04:22:29,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-29 04:22:29,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-29 04:22:29,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-29 04:22:29,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-29 04:22:29,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:22:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:22:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-29 04:22:29,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-29 04:22:30,023 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:22:30,025 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:22:30,040 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-29 04:22:31,795 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:22:31,960 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:22:31,960 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:22:31,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:22:31 BoogieIcfgContainer [2023-11-29 04:22:31,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:22:31,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:22:31,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:22:31,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:22:31,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:22:27" (1/3) ... [2023-11-29 04:22:31,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62af6912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:22:31, skipping insertion in model container [2023-11-29 04:22:31,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:22:29" (2/3) ... [2023-11-29 04:22:31,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62af6912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:22:31, skipping insertion in model container [2023-11-29 04:22:31,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:22:31" (3/3) ... [2023-11-29 04:22:31,970 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-11-29 04:22:31,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:22:31,989 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:22:32,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:22:32,055 INFO L357 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, mHoare=true, 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;@11b5123d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:22:32,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:22:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 281 states have (on average 1.5124555160142348) internal successors, (425), 289 states have internal predecessors, (425), 75 states have call successors, (75), 28 states have call predecessors, (75), 27 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-29 04:22:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-29 04:22:32,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:32,089 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:32,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:32,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1391980539, now seen corresponding path program 1 times [2023-11-29 04:22:32,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:32,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626579476] [2023-11-29 04:22:32,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 04:22:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-29 04:22:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-29 04:22:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-29 04:22:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 04:22:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 04:22:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-29 04:22:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 04:22:32,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:32,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626579476] [2023-11-29 04:22:32,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626579476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:32,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:32,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:22:32,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572873097] [2023-11-29 04:22:32,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:32,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:22:32,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:32,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:22:32,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:22:32,919 INFO L87 Difference]: Start difference. First operand has 385 states, 281 states have (on average 1.5124555160142348) internal successors, (425), 289 states have internal predecessors, (425), 75 states have call successors, (75), 28 states have call predecessors, (75), 27 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 04:22:35,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:35,154 INFO L93 Difference]: Finished difference Result 767 states and 1163 transitions. [2023-11-29 04:22:35,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:22:35,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2023-11-29 04:22:35,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:35,171 INFO L225 Difference]: With dead ends: 767 [2023-11-29 04:22:35,171 INFO L226 Difference]: Without dead ends: 390 [2023-11-29 04:22:35,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:22:35,181 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 518 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 559 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:35,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [559 Valid, 272 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-29 04:22:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-11-29 04:22:35,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 374. [2023-11-29 04:22:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 374 states, 276 states have (on average 1.4710144927536233) internal successors, (406), 279 states have internal predecessors, (406), 71 states have call successors, (71), 27 states have call predecessors, (71), 26 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 04:22:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 547 transitions. [2023-11-29 04:22:35,265 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 547 transitions. Word has length 147 [2023-11-29 04:22:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:35,266 INFO L495 AbstractCegarLoop]: Abstraction has 374 states and 547 transitions. [2023-11-29 04:22:35,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 04:22:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 547 transitions. [2023-11-29 04:22:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 04:22:35,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:35,273 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:35,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:22:35,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:35,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:35,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1276833806, now seen corresponding path program 1 times [2023-11-29 04:22:35,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:35,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133182222] [2023-11-29 04:22:35,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:35,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:22:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-29 04:22:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-29 04:22:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-29 04:22:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-11-29 04:22:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-29 04:22:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-11-29 04:22:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-29 04:22:35,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:35,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133182222] [2023-11-29 04:22:35,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133182222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:35,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:35,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:22:35,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171523468] [2023-11-29 04:22:35,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:35,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:22:35,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:35,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:22:35,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:22:35,699 INFO L87 Difference]: Start difference. First operand 374 states and 547 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 04:22:38,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:38,139 INFO L93 Difference]: Finished difference Result 774 states and 1142 transitions. [2023-11-29 04:22:38,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:22:38,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 148 [2023-11-29 04:22:38,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:38,144 INFO L225 Difference]: With dead ends: 774 [2023-11-29 04:22:38,145 INFO L226 Difference]: Without dead ends: 418 [2023-11-29 04:22:38,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:22:38,147 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 568 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:38,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 305 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-29 04:22:38,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2023-11-29 04:22:38,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 400. [2023-11-29 04:22:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 297 states have (on average 1.4713804713804715) internal successors, (437), 301 states have internal predecessors, (437), 74 states have call successors, (74), 29 states have call predecessors, (74), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-11-29 04:22:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 584 transitions. [2023-11-29 04:22:38,183 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 584 transitions. Word has length 148 [2023-11-29 04:22:38,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:38,183 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 584 transitions. [2023-11-29 04:22:38,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-29 04:22:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 584 transitions. [2023-11-29 04:22:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-11-29 04:22:38,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:38,189 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:38,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:22:38,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:38,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:38,190 INFO L85 PathProgramCache]: Analyzing trace with hash 556174610, now seen corresponding path program 1 times [2023-11-29 04:22:38,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:38,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758207679] [2023-11-29 04:22:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-29 04:22:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 04:22:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-29 04:22:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 04:22:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 04:22:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-11-29 04:22:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-29 04:22:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:22:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:22:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-29 04:22:38,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:38,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758207679] [2023-11-29 04:22:38,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758207679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:38,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:38,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 04:22:38,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421041679] [2023-11-29 04:22:38,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:38,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:22:38,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:38,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:22:38,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:22:38,848 INFO L87 Difference]: Start difference. First operand 400 states and 584 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 04:22:42,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:42,138 INFO L93 Difference]: Finished difference Result 806 states and 1190 transitions. [2023-11-29 04:22:42,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:22:42,138 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 194 [2023-11-29 04:22:42,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:42,142 INFO L225 Difference]: With dead ends: 806 [2023-11-29 04:22:42,143 INFO L226 Difference]: Without dead ends: 424 [2023-11-29 04:22:42,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:22:42,146 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 1333 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:42,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 287 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [602 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 04:22:42,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-29 04:22:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 400. [2023-11-29 04:22:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 297 states have (on average 1.4410774410774412) internal successors, (428), 301 states have internal predecessors, (428), 74 states have call successors, (74), 29 states have call predecessors, (74), 28 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2023-11-29 04:22:42,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 575 transitions. [2023-11-29 04:22:42,183 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 575 transitions. Word has length 194 [2023-11-29 04:22:42,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:42,183 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 575 transitions. [2023-11-29 04:22:42,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2023-11-29 04:22:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 575 transitions. [2023-11-29 04:22:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-11-29 04:22:42,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:42,188 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:42,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:22:42,189 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:42,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:42,189 INFO L85 PathProgramCache]: Analyzing trace with hash -581289641, now seen corresponding path program 1 times [2023-11-29 04:22:42,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:42,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364683329] [2023-11-29 04:22:42,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:42,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:22:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:22:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:22:42,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:22:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-29 04:22:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-29 04:22:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-11-29 04:22:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-29 04:22:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:22:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-29 04:22:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 04:22:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:22:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-29 04:22:42,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:42,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364683329] [2023-11-29 04:22:42,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364683329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:42,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:42,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:22:42,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221994866] [2023-11-29 04:22:42,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:42,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:22:42,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:42,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:22:42,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:22:42,830 INFO L87 Difference]: Start difference. First operand 400 states and 575 transitions. Second operand has 8 states, 8 states have (on average 12.125) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 04:22:47,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:47,349 INFO L93 Difference]: Finished difference Result 863 states and 1253 transitions. [2023-11-29 04:22:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 04:22:47,350 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 204 [2023-11-29 04:22:47,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:47,354 INFO L225 Difference]: With dead ends: 863 [2023-11-29 04:22:47,354 INFO L226 Difference]: Without dead ends: 481 [2023-11-29 04:22:47,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:22:47,357 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 977 mSDsluCounter, 492 mSDsCounter, 0 mSdLazyCounter, 1914 mSolverCounterSat, 497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 2411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 497 IncrementalHoareTripleChecker+Valid, 1914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:47,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 615 Invalid, 2411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [497 Valid, 1914 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-29 04:22:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-29 04:22:47,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 444. [2023-11-29 04:22:47,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 334 states have (on average 1.4311377245508983) internal successors, (478), 339 states have internal predecessors, (478), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:22:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 631 transitions. [2023-11-29 04:22:47,395 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 631 transitions. Word has length 204 [2023-11-29 04:22:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:47,396 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 631 transitions. [2023-11-29 04:22:47,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 04:22:47,397 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 631 transitions. [2023-11-29 04:22:47,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 04:22:47,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:47,401 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:47,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:22:47,402 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:47,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:47,402 INFO L85 PathProgramCache]: Analyzing trace with hash -921047139, now seen corresponding path program 1 times [2023-11-29 04:22:47,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:47,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545921479] [2023-11-29 04:22:47,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:47,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:22:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:22:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:22:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:22:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:22:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 04:22:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 04:22:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 04:22:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 04:22:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 04:22:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:22:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:22:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2023-11-29 04:22:47,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545921479] [2023-11-29 04:22:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545921479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:47,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:47,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:22:47,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823348927] [2023-11-29 04:22:47,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:47,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:22:47,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:47,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:22:47,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:22:47,858 INFO L87 Difference]: Start difference. First operand 444 states and 631 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:22:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:52,503 INFO L93 Difference]: Finished difference Result 907 states and 1304 transitions. [2023-11-29 04:22:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:22:52,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 217 [2023-11-29 04:22:52,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:52,507 INFO L225 Difference]: With dead ends: 907 [2023-11-29 04:22:52,507 INFO L226 Difference]: Without dead ends: 481 [2023-11-29 04:22:52,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2023-11-29 04:22:52,509 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 995 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 2450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:52,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 441 Invalid, 2450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 1862 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 04:22:52,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-29 04:22:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 445. [2023-11-29 04:22:52,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 335 states have (on average 1.4298507462686567) internal successors, (479), 340 states have internal predecessors, (479), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:22:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 632 transitions. [2023-11-29 04:22:52,546 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 632 transitions. Word has length 217 [2023-11-29 04:22:52,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:52,546 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 632 transitions. [2023-11-29 04:22:52,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:22:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 632 transitions. [2023-11-29 04:22:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 04:22:52,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:52,552 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:52,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:22:52,552 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:52,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash -449690789, now seen corresponding path program 1 times [2023-11-29 04:22:52,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:52,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951915218] [2023-11-29 04:22:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:22:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:22:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:22:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:22:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:22:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 04:22:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:52,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 04:22:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 04:22:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 04:22:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 04:22:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:22:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:22:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-29 04:22:53,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:53,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951915218] [2023-11-29 04:22:53,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951915218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:53,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:53,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:22:53,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893063995] [2023-11-29 04:22:53,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:53,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:22:53,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:53,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:22:53,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:22:53,031 INFO L87 Difference]: Start difference. First operand 445 states and 632 transitions. Second operand has 8 states, 8 states have (on average 12.625) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:22:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:22:57,215 INFO L93 Difference]: Finished difference Result 908 states and 1307 transitions. [2023-11-29 04:22:57,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:22:57,215 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 217 [2023-11-29 04:22:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:22:57,218 INFO L225 Difference]: With dead ends: 908 [2023-11-29 04:22:57,218 INFO L226 Difference]: Without dead ends: 481 [2023-11-29 04:22:57,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:22:57,220 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 897 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1882 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 897 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 2363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 1882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:22:57,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [897 Valid, 515 Invalid, 2363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 1882 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 04:22:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-29 04:22:57,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 446. [2023-11-29 04:22:57,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 336 states have (on average 1.4285714285714286) internal successors, (480), 341 states have internal predecessors, (480), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:22:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 633 transitions. [2023-11-29 04:22:57,254 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 633 transitions. Word has length 217 [2023-11-29 04:22:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:22:57,255 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 633 transitions. [2023-11-29 04:22:57,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.625) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:22:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 633 transitions. [2023-11-29 04:22:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 04:22:57,259 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:22:57,260 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:22:57,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:22:57,260 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:22:57,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:22:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash -26988963, now seen corresponding path program 1 times [2023-11-29 04:22:57,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:22:57,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037166479] [2023-11-29 04:22:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:22:57,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:22:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:22:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:22:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:22:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:22:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:22:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:22:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:22:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:22:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:22:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-11-29 04:22:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 04:22:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-29 04:22:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-29 04:22:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-29 04:22:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:22:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:22:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:22:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-11-29 04:22:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:22:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-29 04:22:58,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:22:58,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037166479] [2023-11-29 04:22:58,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037166479] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:22:58,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:22:58,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:22:58,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916848593] [2023-11-29 04:22:58,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:22:58,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:22:58,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:22:58,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:22:58,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:22:58,125 INFO L87 Difference]: Start difference. First operand 446 states and 633 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:23:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:03,104 INFO L93 Difference]: Finished difference Result 913 states and 1313 transitions. [2023-11-29 04:23:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:23:03,105 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 217 [2023-11-29 04:23:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:03,110 INFO L225 Difference]: With dead ends: 913 [2023-11-29 04:23:03,110 INFO L226 Difference]: Without dead ends: 485 [2023-11-29 04:23:03,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:23:03,113 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 907 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 2348 mSolverCounterSat, 490 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 2838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 490 IncrementalHoareTripleChecker+Valid, 2348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:03,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 600 Invalid, 2838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [490 Valid, 2348 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 04:23:03,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-11-29 04:23:03,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 448. [2023-11-29 04:23:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 338 states have (on average 1.4260355029585798) internal successors, (482), 343 states have internal predecessors, (482), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:23:03,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 635 transitions. [2023-11-29 04:23:03,154 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 635 transitions. Word has length 217 [2023-11-29 04:23:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:03,155 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 635 transitions. [2023-11-29 04:23:03,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 04:23:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 635 transitions. [2023-11-29 04:23:03,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-11-29 04:23:03,160 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:03,160 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:03,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 04:23:03,161 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:03,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1575312416, now seen corresponding path program 1 times [2023-11-29 04:23:03,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:03,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583467957] [2023-11-29 04:23:03,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:03,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:04,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:23:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-29 04:23:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:23:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 04:23:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 04:23:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 04:23:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 04:23:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 04:23:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2023-11-29 04:23:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-29 04:23:04,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:04,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583467957] [2023-11-29 04:23:04,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583467957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:04,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:04,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-29 04:23:04,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093008323] [2023-11-29 04:23:04,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:04,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:23:04,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:04,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:23:04,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 04:23:04,135 INFO L87 Difference]: Start difference. First operand 448 states and 635 transitions. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:23:08,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:08,634 INFO L93 Difference]: Finished difference Result 917 states and 1317 transitions. [2023-11-29 04:23:08,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:23:08,634 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 232 [2023-11-29 04:23:08,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:08,638 INFO L225 Difference]: With dead ends: 917 [2023-11-29 04:23:08,638 INFO L226 Difference]: Without dead ends: 487 [2023-11-29 04:23:08,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2023-11-29 04:23:08,641 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 1009 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 2312 mSolverCounterSat, 589 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 2901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 589 IncrementalHoareTripleChecker+Valid, 2312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:08,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 535 Invalid, 2901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [589 Valid, 2312 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 04:23:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2023-11-29 04:23:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 448. [2023-11-29 04:23:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 338 states have (on average 1.4260355029585798) internal successors, (482), 343 states have internal predecessors, (482), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:23:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 635 transitions. [2023-11-29 04:23:08,673 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 635 transitions. Word has length 232 [2023-11-29 04:23:08,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:08,673 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 635 transitions. [2023-11-29 04:23:08,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:23:08,674 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 635 transitions. [2023-11-29 04:23:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 04:23:08,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:08,677 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:08,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 04:23:08,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:08,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash 2132950239, now seen corresponding path program 1 times [2023-11-29 04:23:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:08,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402487801] [2023-11-29 04:23:08,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:08,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:23:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-29 04:23:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-29 04:23:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 04:23:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:23:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:23:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 04:23:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:23:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 04:23:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-29 04:23:09,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402487801] [2023-11-29 04:23:09,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402487801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:09,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:09,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:23:09,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58404910] [2023-11-29 04:23:09,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:09,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:23:09,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:09,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:23:09,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:23:09,176 INFO L87 Difference]: Start difference. First operand 448 states and 635 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:23:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:14,130 INFO L93 Difference]: Finished difference Result 926 states and 1336 transitions. [2023-11-29 04:23:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 04:23:14,131 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 233 [2023-11-29 04:23:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:14,135 INFO L225 Difference]: With dead ends: 926 [2023-11-29 04:23:14,135 INFO L226 Difference]: Without dead ends: 496 [2023-11-29 04:23:14,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2023-11-29 04:23:14,138 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 1052 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 1854 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1052 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 1854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:14,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1052 Valid, 451 Invalid, 2471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 1854 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-29 04:23:14,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2023-11-29 04:23:14,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 449. [2023-11-29 04:23:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 339 states have (on average 1.424778761061947) internal successors, (483), 344 states have internal predecessors, (483), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:23:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 636 transitions. [2023-11-29 04:23:14,170 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 636 transitions. Word has length 233 [2023-11-29 04:23:14,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:14,171 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 636 transitions. [2023-11-29 04:23:14,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (27), 7 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:23:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 636 transitions. [2023-11-29 04:23:14,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-11-29 04:23:14,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:14,174 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:14,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 04:23:14,175 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:14,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:14,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1400259740, now seen corresponding path program 1 times [2023-11-29 04:23:14,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:14,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987734633] [2023-11-29 04:23:14,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:14,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 04:23:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 04:23:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:23:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 04:23:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:23:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:23:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:23:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:23:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2023-11-29 04:23:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-11-29 04:23:14,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:14,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987734633] [2023-11-29 04:23:14,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987734633] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:14,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336929255] [2023-11-29 04:23:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:14,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:14,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:14,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:23:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:15,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:23:15,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-11-29 04:23:15,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:15,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336929255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:15,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:23:15,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 04:23:15,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363678716] [2023-11-29 04:23:15,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:15,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:15,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:15,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:15,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:23:15,576 INFO L87 Difference]: Start difference. First operand 449 states and 636 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 04:23:15,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:15,747 INFO L93 Difference]: Finished difference Result 453 states and 640 transitions. [2023-11-29 04:23:15,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:15,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 233 [2023-11-29 04:23:15,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:15,751 INFO L225 Difference]: With dead ends: 453 [2023-11-29 04:23:15,751 INFO L226 Difference]: Without dead ends: 450 [2023-11-29 04:23:15,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:23:15,752 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 0 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:15,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 965 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:23:15,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2023-11-29 04:23:15,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2023-11-29 04:23:15,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 340 states have (on average 1.423529411764706) internal successors, (484), 345 states have internal predecessors, (484), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:23:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 637 transitions. [2023-11-29 04:23:15,784 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 637 transitions. Word has length 233 [2023-11-29 04:23:15,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:15,784 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 637 transitions. [2023-11-29 04:23:15,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 04:23:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 637 transitions. [2023-11-29 04:23:15,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-29 04:23:15,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:15,788 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:15,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:23:15,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 04:23:15,989 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:15,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:15,989 INFO L85 PathProgramCache]: Analyzing trace with hash -384921381, now seen corresponding path program 1 times [2023-11-29 04:23:15,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:15,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264779699] [2023-11-29 04:23:15,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:15,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-29 04:23:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-29 04:23:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-29 04:23:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-11-29 04:23:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:23:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-11-29 04:23:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 04:23:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-11-29 04:23:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-29 04:23:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-29 04:23:16,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:16,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264779699] [2023-11-29 04:23:16,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264779699] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:16,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383459482] [2023-11-29 04:23:16,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:16,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:16,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:16,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:16,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:23:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:17,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:23:17,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-11-29 04:23:17,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383459482] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:17,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:23:17,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 04:23:17,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569626573] [2023-11-29 04:23:17,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:17,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:17,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:17,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:17,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:23:17,277 INFO L87 Difference]: Start difference. First operand 450 states and 637 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:23:17,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:17,460 INFO L93 Difference]: Finished difference Result 889 states and 1269 transitions. [2023-11-29 04:23:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:17,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 238 [2023-11-29 04:23:17,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:17,463 INFO L225 Difference]: With dead ends: 889 [2023-11-29 04:23:17,463 INFO L226 Difference]: Without dead ends: 457 [2023-11-29 04:23:17,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:23:17,466 INFO L413 NwaCegarLoop]: 484 mSDtfsCounter, 3 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:17,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 964 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:23:17,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-11-29 04:23:17,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 455. [2023-11-29 04:23:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 345 states have (on average 1.4231884057971014) internal successors, (491), 350 states have internal predecessors, (491), 77 states have call successors, (77), 33 states have call predecessors, (77), 32 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 04:23:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 644 transitions. [2023-11-29 04:23:17,504 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 644 transitions. Word has length 238 [2023-11-29 04:23:17,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:17,504 INFO L495 AbstractCegarLoop]: Abstraction has 455 states and 644 transitions. [2023-11-29 04:23:17,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 04:23:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 644 transitions. [2023-11-29 04:23:17,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-29 04:23:17,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:17,508 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2023-11-29 04:23:17,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:23:17,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:17,711 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:17,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:17,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1942955523, now seen corresponding path program 1 times [2023-11-29 04:23:17,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:17,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4244811] [2023-11-29 04:23:17,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:17,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 04:23:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 04:23:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:23:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 04:23:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:23:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:23:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:23:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:23:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-29 04:23:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-11-29 04:23:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 04:23:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-29 04:23:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:18,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4244811] [2023-11-29 04:23:18,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4244811] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:18,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880764375] [2023-11-29 04:23:18,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:18,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:18,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:18,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:18,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:23:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:18,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:23:18,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:18,958 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-29 04:23:18,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:23:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-29 04:23:19,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880764375] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:23:19,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:23:19,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2023-11-29 04:23:19,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029563275] [2023-11-29 04:23:19,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:23:19,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 04:23:19,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 04:23:19,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:23:19,109 INFO L87 Difference]: Start difference. First operand 455 states and 644 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (47), 7 states have call predecessors, (47), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2023-11-29 04:23:24,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:24,225 INFO L93 Difference]: Finished difference Result 971 states and 1406 transitions. [2023-11-29 04:23:24,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 04:23:24,225 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (47), 7 states have call predecessors, (47), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 247 [2023-11-29 04:23:24,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:24,229 INFO L225 Difference]: With dead ends: 971 [2023-11-29 04:23:24,229 INFO L226 Difference]: Without dead ends: 534 [2023-11-29 04:23:24,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2023-11-29 04:23:24,231 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 1160 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 667 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1160 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 667 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:24,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1160 Valid, 534 Invalid, 3063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [667 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 04:23:24,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-11-29 04:23:24,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 489. [2023-11-29 04:23:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 373 states have (on average 1.418230563002681) internal successors, (529), 380 states have internal predecessors, (529), 83 states have call successors, (83), 33 states have call predecessors, (83), 32 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-29 04:23:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 694 transitions. [2023-11-29 04:23:24,254 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 694 transitions. Word has length 247 [2023-11-29 04:23:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:24,255 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 694 transitions. [2023-11-29 04:23:24,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 7 states have internal predecessors, (137), 5 states have call successors, (47), 7 states have call predecessors, (47), 2 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2023-11-29 04:23:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 694 transitions. [2023-11-29 04:23:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-29 04:23:24,258 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:24,258 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:24,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 04:23:24,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 04:23:24,459 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:24,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:24,459 INFO L85 PathProgramCache]: Analyzing trace with hash -62050059, now seen corresponding path program 1 times [2023-11-29 04:23:24,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:24,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092946086] [2023-11-29 04:23:24,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:24,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 04:23:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 04:23:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:23:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 04:23:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:23:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:23:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:23:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:23:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-11-29 04:23:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 04:23:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2023-11-29 04:23:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-29 04:23:25,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:25,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092946086] [2023-11-29 04:23:25,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092946086] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:25,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480845909] [2023-11-29 04:23:25,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:25,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:25,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:25,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:25,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:23:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:25,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:23:25,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-29 04:23:25,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:23:26,062 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2023-11-29 04:23:26,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480845909] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:23:26,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 04:23:26,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 13 [2023-11-29 04:23:26,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878398208] [2023-11-29 04:23:26,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 04:23:26,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:23:26,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:26,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:23:26,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:23:26,066 INFO L87 Difference]: Start difference. First operand 489 states and 694 transitions. Second operand has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 8 states have internal predecessors, (132), 3 states have call successors, (45), 7 states have call predecessors, (45), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 04:23:32,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:32,184 INFO L93 Difference]: Finished difference Result 1022 states and 1479 transitions. [2023-11-29 04:23:32,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:23:32,185 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 8 states have internal predecessors, (132), 3 states have call successors, (45), 7 states have call predecessors, (45), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 253 [2023-11-29 04:23:32,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:32,188 INFO L225 Difference]: With dead ends: 1022 [2023-11-29 04:23:32,188 INFO L226 Difference]: Without dead ends: 551 [2023-11-29 04:23:32,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 577 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2023-11-29 04:23:32,190 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 1032 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 3347 mSolverCounterSat, 565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 3912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 565 IncrementalHoareTripleChecker+Valid, 3347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:32,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 761 Invalid, 3912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [565 Valid, 3347 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-29 04:23:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-11-29 04:23:32,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 501. [2023-11-29 04:23:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 383 states have (on average 1.4177545691906006) internal successors, (543), 391 states have internal predecessors, (543), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 04:23:32,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 712 transitions. [2023-11-29 04:23:32,214 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 712 transitions. Word has length 253 [2023-11-29 04:23:32,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:32,215 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 712 transitions. [2023-11-29 04:23:32,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.153846153846153) internal successors, (132), 8 states have internal predecessors, (132), 3 states have call successors, (45), 7 states have call predecessors, (45), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-29 04:23:32,215 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 712 transitions. [2023-11-29 04:23:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-29 04:23:32,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:32,218 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2023-11-29 04:23:32,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 04:23:32,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:32,424 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:32,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:32,425 INFO L85 PathProgramCache]: Analyzing trace with hash 891475454, now seen corresponding path program 2 times [2023-11-29 04:23:32,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:32,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647632539] [2023-11-29 04:23:32,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:32,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-29 04:23:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-11-29 04:23:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-29 04:23:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-29 04:23:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-29 04:23:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-11-29 04:23:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-29 04:23:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:23:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2023-11-29 04:23:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 04:23:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2023-11-29 04:23:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-29 04:23:33,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:33,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647632539] [2023-11-29 04:23:33,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647632539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:33,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:23:33,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-29 04:23:33,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731053146] [2023-11-29 04:23:33,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:33,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:23:33,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:33,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:23:33,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:23:33,134 INFO L87 Difference]: Start difference. First operand 501 states and 712 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 04:23:37,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:37,201 INFO L93 Difference]: Finished difference Result 1018 states and 1463 transitions. [2023-11-29 04:23:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:23:37,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 256 [2023-11-29 04:23:37,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:37,205 INFO L225 Difference]: With dead ends: 1018 [2023-11-29 04:23:37,205 INFO L226 Difference]: Without dead ends: 535 [2023-11-29 04:23:37,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-29 04:23:37,207 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 898 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 2350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:37,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 515 Invalid, 2350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-29 04:23:37,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-11-29 04:23:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 503. [2023-11-29 04:23:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 385 states have (on average 1.4155844155844155) internal successors, (545), 393 states have internal predecessors, (545), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 04:23:37,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 714 transitions. [2023-11-29 04:23:37,230 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 714 transitions. Word has length 256 [2023-11-29 04:23:37,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:37,231 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 714 transitions. [2023-11-29 04:23:37,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-29 04:23:37,231 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 714 transitions. [2023-11-29 04:23:37,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-11-29 04:23:37,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:37,234 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:37,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 04:23:37,234 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:37,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:37,235 INFO L85 PathProgramCache]: Analyzing trace with hash -698986343, now seen corresponding path program 1 times [2023-11-29 04:23:37,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:37,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910037522] [2023-11-29 04:23:37,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:37,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:37,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 04:23:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 04:23:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:23:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 04:23:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 04:23:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 04:23:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 04:23:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 04:23:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-29 04:23:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2023-11-29 04:23:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-29 04:23:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-29 04:23:37,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:37,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910037522] [2023-11-29 04:23:37,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910037522] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:37,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795549490] [2023-11-29 04:23:37,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:37,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:37,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:37,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:37,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:23:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:38,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:23:38,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-29 04:23:38,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:38,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795549490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:38,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:23:38,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 04:23:38,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435844428] [2023-11-29 04:23:38,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:38,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:23:38,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:38,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:23:38,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:23:38,696 INFO L87 Difference]: Start difference. First operand 503 states and 714 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 04:23:39,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:39,061 INFO L93 Difference]: Finished difference Result 988 states and 1411 transitions. [2023-11-29 04:23:39,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 04:23:39,061 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 258 [2023-11-29 04:23:39,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:39,064 INFO L225 Difference]: With dead ends: 988 [2023-11-29 04:23:39,064 INFO L226 Difference]: Without dead ends: 503 [2023-11-29 04:23:39,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-11-29 04:23:39,066 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 16 mSDsluCounter, 1425 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 1905 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:39,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 1905 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:23:39,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2023-11-29 04:23:39,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2023-11-29 04:23:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 385 states have (on average 1.4103896103896103) internal successors, (543), 393 states have internal predecessors, (543), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 04:23:39,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 712 transitions. [2023-11-29 04:23:39,099 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 712 transitions. Word has length 258 [2023-11-29 04:23:39,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:39,100 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 712 transitions. [2023-11-29 04:23:39,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-29 04:23:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 712 transitions. [2023-11-29 04:23:39,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-29 04:23:39,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:39,105 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:39,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:23:39,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 04:23:39,305 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:39,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:39,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1813504426, now seen corresponding path program 1 times [2023-11-29 04:23:39,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:39,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416385197] [2023-11-29 04:23:39,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:39,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-29 04:23:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-11-29 04:23:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-29 04:23:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-29 04:23:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-29 04:23:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 04:23:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-29 04:23:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-11-29 04:23:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2023-11-29 04:23:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 04:23:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-11-29 04:23:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-29 04:23:39,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:39,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416385197] [2023-11-29 04:23:39,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416385197] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:39,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722090373] [2023-11-29 04:23:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:39,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:39,907 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:39,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:23:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:40,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 2492 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 04:23:40,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-11-29 04:23:40,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:40,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722090373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:40,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:23:40,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2023-11-29 04:23:40,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448176542] [2023-11-29 04:23:40,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:40,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:23:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:40,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:23:40,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:23:40,714 INFO L87 Difference]: Start difference. First operand 503 states and 712 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:23:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:40,975 INFO L93 Difference]: Finished difference Result 992 states and 1409 transitions. [2023-11-29 04:23:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:23:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2023-11-29 04:23:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:40,979 INFO L225 Difference]: With dead ends: 992 [2023-11-29 04:23:40,979 INFO L226 Difference]: Without dead ends: 507 [2023-11-29 04:23:40,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:23:40,981 INFO L413 NwaCegarLoop]: 485 mSDtfsCounter, 5 mSDsluCounter, 961 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1446 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:40,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1446 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:23:40,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2023-11-29 04:23:41,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 505. [2023-11-29 04:23:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 387 states have (on average 1.4082687338501292) internal successors, (545), 395 states have internal predecessors, (545), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 04:23:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 714 transitions. [2023-11-29 04:23:41,005 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 714 transitions. Word has length 262 [2023-11-29 04:23:41,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:41,005 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 714 transitions. [2023-11-29 04:23:41,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:23:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 714 transitions. [2023-11-29 04:23:41,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-11-29 04:23:41,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:41,009 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:41,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:23:41,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 04:23:41,210 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:41,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash 402428544, now seen corresponding path program 1 times [2023-11-29 04:23:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:41,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577422592] [2023-11-29 04:23:41,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:41,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 04:23:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 04:23:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 04:23:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 04:23:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 04:23:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:23:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 04:23:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 04:23:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-11-29 04:23:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-11-29 04:23:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-11-29 04:23:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-29 04:23:41,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:41,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577422592] [2023-11-29 04:23:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577422592] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:41,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173919718] [2023-11-29 04:23:41,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:41,698 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:41,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 04:23:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:42,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 2490 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:23:42,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-29 04:23:42,548 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:23:42,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173919718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:23:42,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:23:42,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-29 04:23:42,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355886265] [2023-11-29 04:23:42,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:23:42,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:23:42,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:23:42,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:23:42,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:23:42,550 INFO L87 Difference]: Start difference. First operand 505 states and 714 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:23:42,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:23:42,710 INFO L93 Difference]: Finished difference Result 995 states and 1412 transitions. [2023-11-29 04:23:42,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:23:42,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 267 [2023-11-29 04:23:42,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:23:42,714 INFO L225 Difference]: With dead ends: 995 [2023-11-29 04:23:42,714 INFO L226 Difference]: Without dead ends: 508 [2023-11-29 04:23:42,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:23:42,717 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 2 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:23:42,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 967 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:23:42,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-29 04:23:42,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 506. [2023-11-29 04:23:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 388 states have (on average 1.407216494845361) internal successors, (546), 396 states have internal predecessors, (546), 85 states have call successors, (85), 33 states have call predecessors, (85), 32 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 04:23:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 715 transitions. [2023-11-29 04:23:42,739 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 715 transitions. Word has length 267 [2023-11-29 04:23:42,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:23:42,739 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 715 transitions. [2023-11-29 04:23:42,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:23:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 715 transitions. [2023-11-29 04:23:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2023-11-29 04:23:42,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:23:42,742 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:23:42,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 04:23:42,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 04:23:42,943 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:23:42,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:23:42,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1548117179, now seen corresponding path program 1 times [2023-11-29 04:23:42,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:23:42,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014196154] [2023-11-29 04:23:42,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:42,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:23:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 04:23:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 04:23:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-29 04:23:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-29 04:23:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-29 04:23:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-29 04:23:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-29 04:23:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-29 04:23:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-29 04:23:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-29 04:23:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-11-29 04:23:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-11-29 04:23:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-29 04:23:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-29 04:23:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-29 04:23:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-29 04:23:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:23:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-29 04:23:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-29 04:23:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-11-29 04:23:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-29 04:23:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:43,533 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2023-11-29 04:23:43,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:23:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014196154] [2023-11-29 04:23:43,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014196154] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:23:43,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030614596] [2023-11-29 04:23:43,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:23:43,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:23:43,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:23:43,534 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:23:43,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85107846-e40a-428c-a1c8-e8b6364e83c8/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 04:23:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:23:44,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 2512 conjuncts, 77 conjunts are in the unsatisfiable core [2023-11-29 04:23:44,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:23:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,560 INFO L349 Elim1Store]: treesize reduction 123, result has 15.8 percent of original size [2023-11-29 04:23:44,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 46 [2023-11-29 04:23:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,625 INFO L349 Elim1Store]: treesize reduction 77, result has 19.8 percent of original size [2023-11-29 04:23:44,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 35 [2023-11-29 04:23:44,666 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-29 04:23:44,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 28 [2023-11-29 04:23:44,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,707 INFO L349 Elim1Store]: treesize reduction 95, result has 16.7 percent of original size [2023-11-29 04:23:44,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 42 [2023-11-29 04:23:44,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,766 INFO L349 Elim1Store]: treesize reduction 95, result has 16.7 percent of original size [2023-11-29 04:23:44,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 39 [2023-11-29 04:23:44,797 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-29 04:23:44,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 28 [2023-11-29 04:23:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,851 INFO L349 Elim1Store]: treesize reduction 115, result has 16.7 percent of original size [2023-11-29 04:23:44,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 59 [2023-11-29 04:23:44,886 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-11-29 04:23:44,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 48 [2023-11-29 04:23:44,927 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-29 04:23:44,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 28 [2023-11-29 04:23:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:44,970 INFO L349 Elim1Store]: treesize reduction 95, result has 16.7 percent of original size [2023-11-29 04:23:44,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 42 [2023-11-29 04:23:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,035 INFO L349 Elim1Store]: treesize reduction 115, result has 16.7 percent of original size [2023-11-29 04:23:45,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 59 [2023-11-29 04:23:45,075 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-11-29 04:23:45,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 48 [2023-11-29 04:23:45,111 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-29 04:23:45,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 28 [2023-11-29 04:23:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,150 INFO L349 Elim1Store]: treesize reduction 95, result has 16.7 percent of original size [2023-11-29 04:23:45,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 39 [2023-11-29 04:23:45,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,206 INFO L349 Elim1Store]: treesize reduction 77, result has 19.8 percent of original size [2023-11-29 04:23:45,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 35 [2023-11-29 04:23:45,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,278 INFO L349 Elim1Store]: treesize reduction 123, result has 15.8 percent of original size [2023-11-29 04:23:45,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 46 [2023-11-29 04:23:45,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,361 INFO L349 Elim1Store]: treesize reduction 123, result has 15.8 percent of original size [2023-11-29 04:23:45,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 43 [2023-11-29 04:23:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,412 INFO L349 Elim1Store]: treesize reduction 77, result has 19.8 percent of original size [2023-11-29 04:23:45,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 32 [2023-11-29 04:23:45,448 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-29 04:23:45,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 28 [2023-11-29 04:23:45,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,499 INFO L349 Elim1Store]: treesize reduction 95, result has 16.7 percent of original size [2023-11-29 04:23:45,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 39 [2023-11-29 04:23:45,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,560 INFO L349 Elim1Store]: treesize reduction 115, result has 16.7 percent of original size [2023-11-29 04:23:45,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 43 [2023-11-29 04:23:45,595 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-11-29 04:23:45,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 32 [2023-11-29 04:23:45,628 INFO L349 Elim1Store]: treesize reduction 52, result has 22.4 percent of original size [2023-11-29 04:23:45,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 28 [2023-11-29 04:23:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,667 INFO L349 Elim1Store]: treesize reduction 95, result has 16.7 percent of original size [2023-11-29 04:23:45,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 43 treesize of output 39 [2023-11-29 04:23:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,716 INFO L349 Elim1Store]: treesize reduction 115, result has 16.7 percent of original size [2023-11-29 04:23:45,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 45 treesize of output 43 [2023-11-29 04:23:45,755 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-11-29 04:23:45,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 31 treesize of output 32 [2023-11-29 04:23:45,812 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-11-29 04:23:45,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 48 [2023-11-29 04:23:45,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,868 INFO L349 Elim1Store]: treesize reduction 115, result has 16.7 percent of original size [2023-11-29 04:23:45,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 59 [2023-11-29 04:23:45,911 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-11-29 04:23:45,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 48 [2023-11-29 04:23:45,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,958 INFO L349 Elim1Store]: treesize reduction 115, result has 16.7 percent of original size [2023-11-29 04:23:45,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 59 [2023-11-29 04:23:45,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,017 INFO L349 Elim1Store]: treesize reduction 143, result has 15.9 percent of original size [2023-11-29 04:23:46,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 50 [2023-11-29 04:23:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,072 INFO L349 Elim1Store]: treesize reduction 89, result has 20.5 percent of original size [2023-11-29 04:23:46,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 41 treesize of output 39 [2023-11-29 04:23:46,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,142 INFO L349 Elim1Store]: treesize reduction 123, result has 15.8 percent of original size [2023-11-29 04:23:46,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 46 [2023-11-29 04:23:46,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,189 INFO L349 Elim1Store]: treesize reduction 77, result has 19.8 percent of original size [2023-11-29 04:23:46,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 35 [2023-11-29 04:23:46,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,259 INFO L349 Elim1Store]: treesize reduction 154, result has 14.9 percent of original size [2023-11-29 04:23:46,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 50 [2023-11-29 04:23:46,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,319 INFO L349 Elim1Store]: treesize reduction 105, result has 18.0 percent of original size [2023-11-29 04:23:46,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 39 [2023-11-29 04:23:46,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,363 INFO L349 Elim1Store]: treesize reduction 77, result has 19.8 percent of original size [2023-11-29 04:23:46,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 35 [2023-11-29 04:23:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,423 INFO L349 Elim1Store]: treesize reduction 123, result has 15.8 percent of original size [2023-11-29 04:23:46,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 46 [2023-11-29 04:23:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,471 INFO L349 Elim1Store]: treesize reduction 89, result has 20.5 percent of original size [2023-11-29 04:23:46,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 41 treesize of output 39 [2023-11-29 04:23:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:23:46,535 INFO L349 Elim1Store]: treesize reduction 143, result has 15.9 percent of original size [2023-11-29 04:23:46,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 50 [2023-11-29 04:23:47,654 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2023-11-29 04:23:47,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 41 treesize of output 66 [2023-11-29 04:23:48,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 04:23:48,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 04:23:48,176 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2023-11-29 04:23:48,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 74 [2023-11-29 04:23:48,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 04:23:48,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 3 [2023-11-29 04:23:48,538 INFO L349 Elim1Store]: treesize reduction 68, result has 39.3 percent of original size [2023-11-29 04:23:48,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 49 treesize of output 74 [2023-11-29 04:23:48,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 04:23:48,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-29 04:23:49,120 INFO L349 Elim1Store]: treesize reduction 88, result has 46.7 percent of original size [2023-11-29 04:23:49,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 61 treesize of output 122