./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 08:48:25,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 08:48:26,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 08:48:26,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 08:48:26,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 08:48:26,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 08:48:26,069 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 08:48:26,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 08:48:26,070 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 08:48:26,070 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 08:48:26,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 08:48:26,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 08:48:26,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 08:48:26,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 08:48:26,072 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 08:48:26,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 08:48:26,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 08:48:26,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 08:48:26,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 08:48:26,076 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 08:48:26,076 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 08:48:26,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 08:48:26,079 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 08:48:26,079 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 08:48:26,079 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 08:48:26,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 08:48:26,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 08:48:26,080 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 08:48:26,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 08:48:26,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 08:48:26,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 08:48:26,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 08:48:26,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:48:26,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 08:48:26,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 08:48:26,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 08:48:26,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 08:48:26,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 08:48:26,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 08:48:26,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 08:48:26,084 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 08:48:26,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 08:48:26,086 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e [2024-11-20 08:48:26,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 08:48:26,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 08:48:26,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 08:48:26,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 08:48:26,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 08:48:26,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-20 08:48:27,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 08:48:27,989 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 08:48:27,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-20 08:48:27,998 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a746a2874/d24f9ac61b0d48279881d2fb4da62e18/FLAG5af11f35f [2024-11-20 08:48:28,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a746a2874/d24f9ac61b0d48279881d2fb4da62e18 [2024-11-20 08:48:28,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 08:48:28,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 08:48:28,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 08:48:28,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 08:48:28,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 08:48:28,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd05f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28, skipping insertion in model container [2024-11-20 08:48:28,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 08:48:28,236 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-20 08:48:28,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:48:28,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 08:48:28,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-20 08:48:28,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 08:48:28,414 INFO L204 MainTranslator]: Completed translation [2024-11-20 08:48:28,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28 WrapperNode [2024-11-20 08:48:28,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 08:48:28,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 08:48:28,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 08:48:28,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 08:48:28,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,485 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 555 [2024-11-20 08:48:28,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 08:48:28,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 08:48:28,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 08:48:28,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 08:48:28,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,546 INFO L175 MemorySlicer]: Split 135 memory accesses to 17 slices as follows [2, 5, 9, 13, 8, 6, 8, 8, 8, 8, 14, 4, 6, 6, 14, 8, 8]. 10 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-20 08:48:28,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 08:48:28,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 08:48:28,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 08:48:28,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 08:48:28,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (1/1) ... [2024-11-20 08:48:28,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 08:48:28,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 08:48:28,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 08:48:28,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 08:48:28,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 08:48:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 08:48:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 08:48:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 08:48:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 08:48:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 08:48:28,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 08:48:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 08:48:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 08:48:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 08:48:28,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-20 08:48:28,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-20 08:48:28,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-20 08:48:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-20 08:48:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-20 08:48:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-20 08:48:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-20 08:48:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-20 08:48:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-20 08:48:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-20 08:48:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-20 08:48:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-20 08:48:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-20 08:48:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-20 08:48:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-20 08:48:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-20 08:48:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-20 08:48:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-20 08:48:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-20 08:48:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-20 08:48:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-20 08:48:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-20 08:48:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-20 08:48:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-20 08:48:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-20 08:48:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-20 08:48:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-20 08:48:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-20 08:48:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-20 08:48:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 08:48:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 08:48:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 08:48:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-20 08:48:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-20 08:48:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-20 08:48:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-20 08:48:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-20 08:48:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-20 08:48:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-20 08:48:28,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-20 08:48:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-20 08:48:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-20 08:48:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-11-20 08:48:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 08:48:28,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 08:48:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 08:48:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-20 08:48:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-20 08:48:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-20 08:48:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-20 08:48:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-20 08:48:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-20 08:48:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-20 08:48:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-20 08:48:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 08:48:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 08:48:28,953 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 08:48:28,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 08:48:29,547 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-20 08:48:29,547 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 08:48:29,566 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 08:48:29,566 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 08:48:29,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:48:29 BoogieIcfgContainer [2024-11-20 08:48:29,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 08:48:29,569 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 08:48:29,569 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 08:48:29,573 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 08:48:29,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:48:28" (1/3) ... [2024-11-20 08:48:29,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a968080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:48:29, skipping insertion in model container [2024-11-20 08:48:29,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:48:28" (2/3) ... [2024-11-20 08:48:29,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a968080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:48:29, skipping insertion in model container [2024-11-20 08:48:29,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:48:29" (3/3) ... [2024-11-20 08:48:29,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-6.i [2024-11-20 08:48:29,592 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 08:48:29,592 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 08:48:29,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 08:48:29,666 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;@4ca0c074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 08:48:29,666 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 08:48:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:48:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 08:48:29,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:29,687 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:29,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:29,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:29,692 INFO L85 PathProgramCache]: Analyzing trace with hash 520535558, now seen corresponding path program 1 times [2024-11-20 08:48:29,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:29,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067784333] [2024-11-20 08:48:29,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:29,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:48:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:48:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:48:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:48:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:48:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:48:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:48:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 08:48:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:48:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 08:48:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:48:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:48:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:48:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:48:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:48:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:48:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:48:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 08:48:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 08:48:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:48:30,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:48:30,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067784333] [2024-11-20 08:48:30,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067784333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:48:30,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:48:30,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 08:48:30,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213750335] [2024-11-20 08:48:30,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:48:30,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 08:48:30,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:48:30,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 08:48:30,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:48:30,287 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:48:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:48:30,320 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-20 08:48:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 08:48:30,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-20 08:48:30,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:48:30,330 INFO L225 Difference]: With dead ends: 237 [2024-11-20 08:48:30,330 INFO L226 Difference]: Without dead ends: 118 [2024-11-20 08:48:30,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 08:48:30,335 INFO L432 NwaCegarLoop]: 172 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, 172 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:48:30,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:48:30,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-20 08:48:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-20 08:48:30,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:48:30,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-20 08:48:30,376 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-20 08:48:30,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:48:30,377 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-20 08:48:30,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:48:30,378 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-20 08:48:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 08:48:30,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:30,383 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:30,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 08:48:30,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:30,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:30,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1019917732, now seen corresponding path program 1 times [2024-11-20 08:48:30,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:30,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020489448] [2024-11-20 08:48:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:48:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:48:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:48:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:48:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:48:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:48:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:48:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 08:48:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:48:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 08:48:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:48:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:48:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:48:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:48:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:48:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:48:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:48:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 08:48:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 08:48:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:48:30,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:48:30,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020489448] [2024-11-20 08:48:30,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020489448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:48:30,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:48:30,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:48:30,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399162841] [2024-11-20 08:48:30,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:48:30,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:48:30,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:48:30,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:48:30,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:48:30,829 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:48:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:48:30,882 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-20 08:48:30,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:48:30,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-20 08:48:30,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:48:30,885 INFO L225 Difference]: With dead ends: 235 [2024-11-20 08:48:30,885 INFO L226 Difference]: Without dead ends: 120 [2024-11-20 08:48:30,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:48:30,889 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:48:30,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 499 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:48:30,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-20 08:48:30,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-20 08:48:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:48:30,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-20 08:48:30,911 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-11-20 08:48:30,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:48:30,914 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-20 08:48:30,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-20 08:48:30,915 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-20 08:48:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 08:48:30,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:30,936 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:30,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 08:48:30,936 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:30,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:30,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1408340890, now seen corresponding path program 1 times [2024-11-20 08:48:30,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:30,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064982929] [2024-11-20 08:48:30,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:30,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:48:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:48:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:48:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:48:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:48:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:48:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:48:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 08:48:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:48:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 08:48:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:48:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:48:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:48:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:48:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:48:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:48:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:48:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 08:48:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 08:48:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:48:31,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:48:31,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064982929] [2024-11-20 08:48:31,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064982929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:48:31,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:48:31,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 08:48:31,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663446673] [2024-11-20 08:48:31,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:48:31,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 08:48:31,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:48:31,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 08:48:31,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:48:31,273 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:48:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:48:31,307 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-20 08:48:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 08:48:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-20 08:48:31,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:48:31,312 INFO L225 Difference]: With dead ends: 237 [2024-11-20 08:48:31,313 INFO L226 Difference]: Without dead ends: 120 [2024-11-20 08:48:31,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 08:48:31,318 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:48:31,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:48:31,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-20 08:48:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-20 08:48:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:48:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-20 08:48:31,331 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-11-20 08:48:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:48:31,332 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-20 08:48:31,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:48:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-20 08:48:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-20 08:48:31,337 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:31,338 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:31,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 08:48:31,338 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:31,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:31,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1197682664, now seen corresponding path program 1 times [2024-11-20 08:48:31,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:31,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451980415] [2024-11-20 08:48:31,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:31,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:48:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:48:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:48:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:48:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:48:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:48:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:48:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 08:48:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:48:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 08:48:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:48:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:48:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:48:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:48:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:48:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:48:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:48:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 08:48:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 08:48:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:48:31,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:48:31,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451980415] [2024-11-20 08:48:31,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451980415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:48:31,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:48:31,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:48:31,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27863358] [2024-11-20 08:48:31,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:48:31,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:48:31,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:48:31,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:48:31,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:48:31,645 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:48:31,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:48:31,674 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-20 08:48:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:48:31,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-20 08:48:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:48:31,677 INFO L225 Difference]: With dead ends: 239 [2024-11-20 08:48:31,677 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 08:48:31,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:48:31,678 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:48:31,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:48:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 08:48:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-20 08:48:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:48:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-20 08:48:31,695 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 158 [2024-11-20 08:48:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:48:31,696 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-20 08:48:31,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:48:31,698 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-20 08:48:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 08:48:31,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:31,700 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:31,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 08:48:31,700 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:31,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash -828455014, now seen corresponding path program 1 times [2024-11-20 08:48:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:31,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725735209] [2024-11-20 08:48:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:48:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:48:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:48:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:48:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:48:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:48:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:48:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 08:48:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:48:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 08:48:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:48:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:48:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:48:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:48:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:48:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:48:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:48:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 08:48:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 08:48:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:48:32,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:48:32,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725735209] [2024-11-20 08:48:32,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725735209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:48:32,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:48:32,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 08:48:32,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738874132] [2024-11-20 08:48:32,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:48:32,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 08:48:32,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:48:32,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 08:48:32,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:48:32,068 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:48:32,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:48:32,109 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-20 08:48:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 08:48:32,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-20 08:48:32,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:48:32,113 INFO L225 Difference]: With dead ends: 241 [2024-11-20 08:48:32,113 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 08:48:32,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 08:48:32,114 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 08:48:32,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 08:48:32,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 08:48:32,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-20 08:48:32,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-20 08:48:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-20 08:48:32,131 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 160 [2024-11-20 08:48:32,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:48:32,132 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-20 08:48:32,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-20 08:48:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-20 08:48:32,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 08:48:32,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:32,134 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:32,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 08:48:32,134 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:32,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1878164380, now seen corresponding path program 1 times [2024-11-20 08:48:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:32,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139190340] [2024-11-20 08:48:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 08:48:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-20 08:48:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 08:48:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 08:48:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-20 08:48:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 08:48:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 08:48:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-20 08:48:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 08:48:33,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 08:48:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-20 08:48:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-20 08:48:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-20 08:48:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 08:48:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-20 08:48:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-20 08:48:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 08:48:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 08:48:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 08:48:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 08:48:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-20 08:48:33,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 08:48:33,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139190340] [2024-11-20 08:48:33,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139190340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 08:48:33,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 08:48:33,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 08:48:33,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310953665] [2024-11-20 08:48:33,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 08:48:33,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 08:48:33,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 08:48:33,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 08:48:33,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-20 08:48:33,778 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:48:34,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 08:48:34,410 INFO L93 Difference]: Finished difference Result 342 states and 488 transitions. [2024-11-20 08:48:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 08:48:34,411 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 160 [2024-11-20 08:48:34,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 08:48:34,413 INFO L225 Difference]: With dead ends: 342 [2024-11-20 08:48:34,414 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 08:48:34,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-20 08:48:34,418 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 465 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 08:48:34,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 1386 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 08:48:34,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 08:48:34,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-20 08:48:34,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 188 states have internal predecessors, (253), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-20 08:48:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 313 transitions. [2024-11-20 08:48:34,446 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 313 transitions. Word has length 160 [2024-11-20 08:48:34,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 08:48:34,447 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 313 transitions. [2024-11-20 08:48:34,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-20 08:48:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 313 transitions. [2024-11-20 08:48:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-20 08:48:34,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 08:48:34,449 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 08:48:34,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 08:48:34,449 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 08:48:34,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 08:48:34,450 INFO L85 PathProgramCache]: Analyzing trace with hash 752129283, now seen corresponding path program 1 times [2024-11-20 08:48:34,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 08:48:34,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067048663] [2024-11-20 08:48:34,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 08:48:34,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 08:48:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat