./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-89.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU --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 32bit --witnessprinter.graph.data.programhash 0005513f340f3e2cdc90ecc27e2960639fa2122022fdb23de19dc095a7a78520 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:55:24,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:55:24,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:55:24,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:55:24,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:55:24,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:55:24,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:55:24,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:55:24,483 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:55:24,485 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:55:24,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:55:24,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:55:24,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:55:24,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:55:24,488 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:55:24,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:55:24,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:55:24,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:55:24,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:55:24,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:55:24,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:55:24,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:55:24,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:55:24,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:55:24,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:55:24,496 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:55:24,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:55:24,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:55:24,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:55:24,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:55:24,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:55:24,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:55:24,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:24,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:55:24,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:55:24,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:55:24,499 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:55:24,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:55:24,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:55:24,500 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:55:24,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:55:24,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:55:24,502 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_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0005513f340f3e2cdc90ecc27e2960639fa2122022fdb23de19dc095a7a78520 [2024-10-31 21:55:24,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:55:24,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:55:24,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:55:24,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:55:24,823 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:55:24,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-89.i Unable to find full path for "g++" [2024-10-31 21:55:26,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:55:27,066 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:55:27,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-89.i [2024-10-31 21:55:27,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/data/037a57812/650a2321d1d34f76b826c0989f7b8764/FLAGd3b4c6550 [2024-10-31 21:55:27,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/data/037a57812/650a2321d1d34f76b826c0989f7b8764 [2024-10-31 21:55:27,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:55:27,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:55:27,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:27,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:55:27,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:55:27,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3287bf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27, skipping insertion in model container [2024-10-31 21:55:27,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:55:27,385 WARN L251 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_150e0dbc-5086-4145-aec1-f3406162363d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-89.i[916,929] [2024-10-31 21:55:27,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:27,527 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:55:27,537 WARN L251 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_150e0dbc-5086-4145-aec1-f3406162363d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-89.i[916,929] [2024-10-31 21:55:27,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:27,649 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:55:27,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27 WrapperNode [2024-10-31 21:55:27,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:27,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:27,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:55:27,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:55:27,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,671 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,733 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 264 [2024-10-31 21:55:27,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:27,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:55:27,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:55:27,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:55:27,747 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,752 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,777 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:55:27,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:55:27,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:55:27,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:55:27,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:55:27,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:27,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:27,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:55:27,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_150e0dbc-5086-4145-aec1-f3406162363d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:55:27,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:55:27,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:55:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:55:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:55:27,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:55:27,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:55:28,028 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:55:28,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:55:28,726 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-31 21:55:28,727 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:55:28,748 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:55:28,748 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:55:28,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:28 BoogieIcfgContainer [2024-10-31 21:55:28,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:55:28,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:55:28,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:55:28,754 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:55:28,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:55:27" (1/3) ... [2024-10-31 21:55:28,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2240b92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:28, skipping insertion in model container [2024-10-31 21:55:28,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (2/3) ... [2024-10-31 21:55:28,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2240b92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:28, skipping insertion in model container [2024-10-31 21:55:28,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:28" (3/3) ... [2024-10-31 21:55:28,757 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-89.i [2024-10-31 21:55:28,792 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:55:28,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:55:28,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:55:28,916 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f41a05c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:55:28,917 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:55:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 77 states have internal predecessors, (108), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-31 21:55:28,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-31 21:55:28,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:28,989 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:28,990 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:29,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:29,003 INFO L85 PathProgramCache]: Analyzing trace with hash -2146714533, now seen corresponding path program 1 times [2024-10-31 21:55:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:29,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910548331] [2024-10-31 21:55:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:29,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:29,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910548331] [2024-10-31 21:55:29,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910548331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:29,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:29,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:55:29,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137972444] [2024-10-31 21:55:29,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:29,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:55:29,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:29,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:55:29,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:55:29,902 INFO L87 Difference]: Start difference. First operand has 117 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 77 states have internal predecessors, (108), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-31 21:55:29,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:29,947 INFO L93 Difference]: Finished difference Result 227 states and 400 transitions. [2024-10-31 21:55:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:55:29,949 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 238 [2024-10-31 21:55:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:29,959 INFO L225 Difference]: With dead ends: 227 [2024-10-31 21:55:29,960 INFO L226 Difference]: Without dead ends: 113 [2024-10-31 21:55:29,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:55:29,971 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:29,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:55:29,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-31 21:55:30,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-31 21:55:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 73 states have (on average 1.356164383561644) internal successors, (99), 73 states have internal predecessors, (99), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-31 21:55:30,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-10-31 21:55:30,034 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 238 [2024-10-31 21:55:30,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:30,034 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-10-31 21:55:30,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-31 21:55:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-10-31 21:55:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-31 21:55:30,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:30,048 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:30,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:55:30,049 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:30,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2142141353, now seen corresponding path program 1 times [2024-10-31 21:55:30,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:30,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203462953] [2024-10-31 21:55:30,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:30,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:30,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:30,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203462953] [2024-10-31 21:55:30,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203462953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:30,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:30,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:30,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118507544] [2024-10-31 21:55:30,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:30,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:30,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:30,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:30,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:30,695 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:30,838 INFO L93 Difference]: Finished difference Result 319 states and 497 transitions. [2024-10-31 21:55:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:30,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-10-31 21:55:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:30,847 INFO L225 Difference]: With dead ends: 319 [2024-10-31 21:55:30,848 INFO L226 Difference]: Without dead ends: 209 [2024-10-31 21:55:30,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:30,851 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 160 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:30,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 411 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:55:30,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-31 21:55:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 125. [2024-10-31 21:55:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 85 states have (on average 1.388235294117647) internal successors, (118), 85 states have internal predecessors, (118), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-31 21:55:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 194 transitions. [2024-10-31 21:55:30,879 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 194 transitions. Word has length 238 [2024-10-31 21:55:30,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:30,882 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 194 transitions. [2024-10-31 21:55:30,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2024-10-31 21:55:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-31 21:55:30,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:30,888 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:30,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:55:30,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:30,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1141708693, now seen corresponding path program 1 times [2024-10-31 21:55:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:30,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464007991] [2024-10-31 21:55:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:32,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:32,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:32,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464007991] [2024-10-31 21:55:32,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464007991] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:32,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:32,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:55:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886501678] [2024-10-31 21:55:32,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:32,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:55:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:32,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:55:32,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:55:32,263 INFO L87 Difference]: Start difference. First operand 125 states and 194 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:32,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:32,543 INFO L93 Difference]: Finished difference Result 327 states and 502 transitions. [2024-10-31 21:55:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 21:55:32,544 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-10-31 21:55:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:32,547 INFO L225 Difference]: With dead ends: 327 [2024-10-31 21:55:32,547 INFO L226 Difference]: Without dead ends: 205 [2024-10-31 21:55:32,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:55:32,550 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 274 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:32,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 368 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 21:55:32,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-10-31 21:55:32,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 149. [2024-10-31 21:55:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 108 states have (on average 1.3888888888888888) internal successors, (150), 108 states have internal predecessors, (150), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-31 21:55:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 226 transitions. [2024-10-31 21:55:32,577 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 226 transitions. Word has length 238 [2024-10-31 21:55:32,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:32,578 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 226 transitions. [2024-10-31 21:55:32,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2024-10-31 21:55:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2024-10-31 21:55:32,582 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:32,583 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:32,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:55:32,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:32,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:32,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1923286635, now seen corresponding path program 1 times [2024-10-31 21:55:32,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:32,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643850553] [2024-10-31 21:55:32,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:32,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:33,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:33,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:33,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643850553] [2024-10-31 21:55:33,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643850553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:33,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:33,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:55:33,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850380405] [2024-10-31 21:55:33,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:33,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:55:33,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:33,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:55:33,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:55:33,499 INFO L87 Difference]: Start difference. First operand 149 states and 226 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:34,175 INFO L93 Difference]: Finished difference Result 513 states and 782 transitions. [2024-10-31 21:55:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:55:34,176 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 238 [2024-10-31 21:55:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:34,180 INFO L225 Difference]: With dead ends: 513 [2024-10-31 21:55:34,180 INFO L226 Difference]: Without dead ends: 367 [2024-10-31 21:55:34,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:55:34,182 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 207 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:34,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 610 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 21:55:34,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-31 21:55:34,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 289. [2024-10-31 21:55:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 208 states have (on average 1.3798076923076923) internal successors, (287), 208 states have internal predecessors, (287), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-31 21:55:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 439 transitions. [2024-10-31 21:55:34,262 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 439 transitions. Word has length 238 [2024-10-31 21:55:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:34,264 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 439 transitions. [2024-10-31 21:55:34,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:34,265 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 439 transitions. [2024-10-31 21:55:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-10-31 21:55:34,270 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:34,271 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:34,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 21:55:34,271 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:34,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:34,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1942661418, now seen corresponding path program 1 times [2024-10-31 21:55:34,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:34,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043139494] [2024-10-31 21:55:34,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:34,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:34,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043139494] [2024-10-31 21:55:34,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043139494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:34,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:34,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:34,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738383784] [2024-10-31 21:55:34,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:34,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:34,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:34,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:34,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:34,610 INFO L87 Difference]: Start difference. First operand 289 states and 439 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:34,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:34,741 INFO L93 Difference]: Finished difference Result 709 states and 1074 transitions. [2024-10-31 21:55:34,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:34,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-10-31 21:55:34,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:34,751 INFO L225 Difference]: With dead ends: 709 [2024-10-31 21:55:34,751 INFO L226 Difference]: Without dead ends: 423 [2024-10-31 21:55:34,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:34,755 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 141 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:34,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 341 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 21:55:34,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-10-31 21:55:34,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 273. [2024-10-31 21:55:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 192 states have (on average 1.3177083333333333) internal successors, (253), 192 states have internal predecessors, (253), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-31 21:55:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 405 transitions. [2024-10-31 21:55:34,829 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 405 transitions. Word has length 239 [2024-10-31 21:55:34,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:34,830 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 405 transitions. [2024-10-31 21:55:34,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:34,831 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 405 transitions. [2024-10-31 21:55:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2024-10-31 21:55:34,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:34,835 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:34,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 21:55:34,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:34,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:34,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1952612522, now seen corresponding path program 1 times [2024-10-31 21:55:34,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:34,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094789356] [2024-10-31 21:55:34,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:34,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:35,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:36,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:36,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:36,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094789356] [2024-10-31 21:55:36,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094789356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:36,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:36,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 21:55:36,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101858961] [2024-10-31 21:55:36,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:36,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 21:55:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:36,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 21:55:36,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:55:36,108 INFO L87 Difference]: Start difference. First operand 273 states and 405 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:37,644 INFO L93 Difference]: Finished difference Result 811 states and 1187 transitions. [2024-10-31 21:55:37,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:55:37,645 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 239 [2024-10-31 21:55:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:37,649 INFO L225 Difference]: With dead ends: 811 [2024-10-31 21:55:37,650 INFO L226 Difference]: Without dead ends: 541 [2024-10-31 21:55:37,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-31 21:55:37,652 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 340 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:37,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 772 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-31 21:55:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-10-31 21:55:37,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 316. [2024-10-31 21:55:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 235 states have (on average 1.3361702127659574) internal successors, (314), 235 states have internal predecessors, (314), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-31 21:55:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 466 transitions. [2024-10-31 21:55:37,712 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 466 transitions. Word has length 239 [2024-10-31 21:55:37,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:37,712 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 466 transitions. [2024-10-31 21:55:37,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 466 transitions. [2024-10-31 21:55:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-31 21:55:37,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:37,719 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:37,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 21:55:37,719 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:37,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 172944948, now seen corresponding path program 1 times [2024-10-31 21:55:37,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:37,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886992901] [2024-10-31 21:55:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:40,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:40,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886992901] [2024-10-31 21:55:40,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886992901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:40,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:40,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-31 21:55:40,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171533539] [2024-10-31 21:55:40,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:40,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-31 21:55:40,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:40,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 21:55:40,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-31 21:55:40,504 INFO L87 Difference]: Start difference. First operand 316 states and 466 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:42,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:42,622 INFO L93 Difference]: Finished difference Result 655 states and 956 transitions. [2024-10-31 21:55:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-31 21:55:42,624 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-10-31 21:55:42,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:42,627 INFO L225 Difference]: With dead ends: 655 [2024-10-31 21:55:42,627 INFO L226 Difference]: Without dead ends: 490 [2024-10-31 21:55:42,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-10-31 21:55:42,629 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 346 mSDsluCounter, 1080 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:42,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1290 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-31 21:55:42,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-10-31 21:55:42,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 321. [2024-10-31 21:55:42,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 240 states have (on average 1.3416666666666666) internal successors, (322), 240 states have internal predecessors, (322), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-31 21:55:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 474 transitions. [2024-10-31 21:55:42,700 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 474 transitions. Word has length 240 [2024-10-31 21:55:42,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:42,701 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 474 transitions. [2024-10-31 21:55:42,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 474 transitions. [2024-10-31 21:55:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-10-31 21:55:42,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:42,709 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:42,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 21:55:42,709 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:42,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:42,710 INFO L85 PathProgramCache]: Analyzing trace with hash -363251457, now seen corresponding path program 1 times [2024-10-31 21:55:42,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:42,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23346944] [2024-10-31 21:55:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:42,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:43,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:43,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:43,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:43,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:44,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:44,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23346944] [2024-10-31 21:55:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23346944] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:44,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:44,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:55:44,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865239942] [2024-10-31 21:55:44,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:44,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 21:55:44,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:44,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:55:44,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:55:44,099 INFO L87 Difference]: Start difference. First operand 321 states and 474 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:44,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:44,930 INFO L93 Difference]: Finished difference Result 823 states and 1211 transitions. [2024-10-31 21:55:44,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 21:55:44,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 240 [2024-10-31 21:55:44,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:44,935 INFO L225 Difference]: With dead ends: 823 [2024-10-31 21:55:44,935 INFO L226 Difference]: Without dead ends: 505 [2024-10-31 21:55:44,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 21:55:44,937 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 153 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:44,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 484 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 21:55:44,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-10-31 21:55:44,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 305. [2024-10-31 21:55:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 224 states have (on average 1.3303571428571428) internal successors, (298), 224 states have internal predecessors, (298), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-31 21:55:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 450 transitions. [2024-10-31 21:55:44,986 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 450 transitions. Word has length 240 [2024-10-31 21:55:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:44,987 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 450 transitions. [2024-10-31 21:55:44,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 450 transitions. [2024-10-31 21:55:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-10-31 21:55:44,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:44,991 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:44,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 21:55:44,992 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:44,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:44,992 INFO L85 PathProgramCache]: Analyzing trace with hash 826298916, now seen corresponding path program 1 times [2024-10-31 21:55:44,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:44,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481010531] [2024-10-31 21:55:44,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:44,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:55:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-31 21:55:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 21:55:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-31 21:55:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 21:55:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 21:55:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-31 21:55:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 21:55:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-31 21:55:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 21:55:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-31 21:55:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 21:55:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-31 21:55:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:47,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-31 21:55:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-31 21:55:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-31 21:55:48,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-31 21:55:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-31 21:55:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-31 21:55:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-31 21:55:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-31 21:55:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-31 21:55:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-31 21:55:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-31 21:55:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-31 21:55:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-31 21:55:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-31 21:55:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-31 21:55:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:48,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-31 21:55:48,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:48,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481010531] [2024-10-31 21:55:48,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481010531] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:48,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:48,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-31 21:55:48,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460012918] [2024-10-31 21:55:48,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:48,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 21:55:48,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:48,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 21:55:48,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-31 21:55:48,085 INFO L87 Difference]: Start difference. First operand 305 states and 450 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:51,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:51,452 INFO L93 Difference]: Finished difference Result 1046 states and 1537 transitions. [2024-10-31 21:55:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 21:55:51,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 241 [2024-10-31 21:55:51,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:51,458 INFO L225 Difference]: With dead ends: 1046 [2024-10-31 21:55:51,458 INFO L226 Difference]: Without dead ends: 744 [2024-10-31 21:55:51,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-10-31 21:55:51,461 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 454 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:51,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 1009 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1175 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-31 21:55:51,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-10-31 21:55:51,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 562. [2024-10-31 21:55:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 401 states have (on average 1.3266832917705735) internal successors, (532), 401 states have internal predecessors, (532), 152 states have call successors, (152), 8 states have call predecessors, (152), 8 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-31 21:55:51,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 836 transitions. [2024-10-31 21:55:51,570 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 836 transitions. Word has length 241 [2024-10-31 21:55:51,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:51,571 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 836 transitions. [2024-10-31 21:55:51,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-31 21:55:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 836 transitions. [2024-10-31 21:55:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-10-31 21:55:51,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:51,575 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:51,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 21:55:51,576 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:51,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1104520673, now seen corresponding path program 1 times [2024-10-31 21:55:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:51,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902416709] [2024-10-31 21:55:51,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat