./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:35:48,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:35:48,424 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:35:48,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:35:48,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:35:48,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:35:48,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:35:48,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:35:48,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:35:48,463 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:35:48,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:35:48,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:35:48,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:35:48,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:35:48,466 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:35:48,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:35:48,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:35:48,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:35:48,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:35:48,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:35:48,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:35:48,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:35:48,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:35:48,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:35:48,473 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:35:48,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:35:48,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:35:48,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:35:48,474 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:35:48,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:35:48,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:35:48,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:35:48,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:35:48,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:35:48,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:35:48,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:35:48,476 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:35:48,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:35:48,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:35:48,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:35:48,477 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:35:48,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:35:48,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e [2024-11-16 18:35:48,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:35:48,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:35:48,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:35:48,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:35:48,774 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:35:48,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-16 18:35:50,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:35:50,433 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:35:50,434 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-16 18:35:50,451 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10aed0119/cd1045d60b754a7493cbe8701aba8f19/FLAGe01f76c93 [2024-11-16 18:35:50,476 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10aed0119/cd1045d60b754a7493cbe8701aba8f19 [2024-11-16 18:35:50,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:35:50,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:35:50,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:35:50,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:35:50,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:35:50,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b397100 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50, skipping insertion in model container [2024-11-16 18:35:50,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:35:50,692 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] [2024-11-16 18:35:50,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:35:50,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:35:50,770 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] [2024-11-16 18:35:50,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:35:50,824 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:35:50,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50 WrapperNode [2024-11-16 18:35:50,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:35:50,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:35:50,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:35:50,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:35:50,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,924 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 554 [2024-11-16 18:35:50,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:35:50,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:35:50,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:35:50,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:35:50,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,986 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]. [2024-11-16 18:35:50,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:50,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:51,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:51,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:51,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:51,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:51,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:35:51,045 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:35:51,045 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:35:51,045 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:35:51,046 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (1/1) ... [2024-11-16 18:35:51,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:35:51,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:35:51,087 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) [2024-11-16 18:35:51,093 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 [2024-11-16 18:35:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:35:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 18:35:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 18:35:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 18:35:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 18:35:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 18:35:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 18:35:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 18:35:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 18:35:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 18:35:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 18:35:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 18:35:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 18:35:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 18:35:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 18:35:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 18:35:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 18:35:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-16 18:35:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 18:35:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 18:35:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 18:35:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 18:35:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 18:35:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 18:35:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-16 18:35:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-16 18:35:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 18:35:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-16 18:35:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-16 18:35:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-16 18:35:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-16 18:35:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-16 18:35:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 18:35:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 18:35:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 18:35:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 18:35:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 18:35:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 18:35:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 18:35:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 18:35:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 18:35:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 18:35:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 18:35:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 18:35:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 18:35:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 18:35:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 18:35:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 18:35:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-16 18:35:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-16 18:35:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-16 18:35:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-16 18:35:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-16 18:35:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-16 18:35:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-16 18:35:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-16 18:35:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-11-16 18:35:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:35:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:35:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:35:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 18:35:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 18:35:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 18:35:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 18:35:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 18:35:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 18:35:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 18:35:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 18:35:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 18:35:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-16 18:35:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:35:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:35:51,427 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:35:51,429 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:35:51,931 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: havoc property_#t~mem94#1;havoc property_#t~mem95#1;havoc property_#t~ite98#1;havoc property_#t~mem96#1;havoc property_#t~mem97#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~ite106#1;havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~ite105#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~mem107#1;havoc property_#t~ite118#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~ite115#1;havoc property_#t~mem114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem117#1;havoc property_#t~mem116#1;havoc property_#t~short119#1;havoc property_#t~ite124#1;havoc property_#t~mem123#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~short122#1;havoc property_#t~short125#1;havoc property_#t~mem126#1;havoc property_#t~mem127#1;havoc property_#t~ite135#1;havoc property_#t~mem134#1;havoc property_#t~mem128#1;havoc property_#t~mem129#1;havoc property_#t~ite132#1;havoc property_#t~mem130#1;havoc property_#t~mem131#1;havoc property_#t~mem133#1;havoc property_#t~short136#1;havoc property_#t~mem142#1;havoc property_#t~mem137#1;havoc property_#t~mem138#1;havoc property_#t~ite141#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~short143#1; [2024-11-16 18:35:51,983 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-16 18:35:51,984 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:35:52,001 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:35:52,002 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:35:52,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:35:52 BoogieIcfgContainer [2024-11-16 18:35:52,003 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:35:52,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:35:52,005 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:35:52,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:35:52,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:35:50" (1/3) ... [2024-11-16 18:35:52,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1785ab11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:35:52, skipping insertion in model container [2024-11-16 18:35:52,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:50" (2/3) ... [2024-11-16 18:35:52,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1785ab11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:35:52, skipping insertion in model container [2024-11-16 18:35:52,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:35:52" (3/3) ... [2024-11-16 18:35:52,012 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-6.i [2024-11-16 18:35:52,028 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:35:52,028 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:35:52,084 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:35:52,091 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;@2917f1b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:35:52,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:35:52,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 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) [2024-11-16 18:35:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:35:52,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:35:52,115 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] [2024-11-16 18:35:52,116 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:35:52,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:35:52,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1796312851, now seen corresponding path program 1 times [2024-11-16 18:35:52,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:35:52,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277977669] [2024-11-16 18:35:52,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:35:52,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:35:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:35:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:35:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:35:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:35:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:35:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:35:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:35:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:35:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:35:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:35:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:35:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:35:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:35:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:35:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:35:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:35:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:35:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:35:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:35:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:35:52,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:35:52,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277977669] [2024-11-16 18:35:52,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277977669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:35:52,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:35:52,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:35:52,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164598585] [2024-11-16 18:35:52,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:35:52,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:35:52,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:35:52,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:35:52,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:35:52,732 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 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 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2024-11-16 18:35:52,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:35:52,760 INFO L93 Difference]: Finished difference Result 242 states and 376 transitions. [2024-11-16 18:35:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:35:52,762 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 160 [2024-11-16 18:35:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:35:52,770 INFO L225 Difference]: With dead ends: 242 [2024-11-16 18:35:52,770 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 18:35:52,774 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 [2024-11-16 18:35:52,778 INFO L432 NwaCegarLoop]: 174 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, 174 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 [2024-11-16 18:35:52,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:35:52,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 18:35:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-16 18:35:52,822 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) [2024-11-16 18:35:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-16 18:35:52,827 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 160 [2024-11-16 18:35:52,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:35:52,829 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-16 18:35:52,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2024-11-16 18:35:52,829 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-16 18:35:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:35:52,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:35:52,836 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] [2024-11-16 18:35:52,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:35:52,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:35:52,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:35:52,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1200681692, now seen corresponding path program 1 times [2024-11-16 18:35:52,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:35:52,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148319838] [2024-11-16 18:35:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:35:52,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:35:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:35:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:35:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:35:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:35:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:35:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:35:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:35:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:35:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:35:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:35:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:35:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:35:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:35:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:35:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:35:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:35:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:35:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:35:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:35:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:35:53,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:35:53,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148319838] [2024-11-16 18:35:53,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148319838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:35:53,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:35:53,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 18:35:53,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178063587] [2024-11-16 18:35:53,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:35:53,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 18:35:53,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:35:53,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 18:35:53,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:35:53,394 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2024-11-16 18:35:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:35:53,433 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-16 18:35:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 18:35:53,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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 [2024-11-16 18:35:53,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:35:53,436 INFO L225 Difference]: With dead ends: 237 [2024-11-16 18:35:53,436 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 18:35:53,440 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 [2024-11-16 18:35:53,442 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 339 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 [2024-11-16 18:35:53,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 339 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:35:53,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 18:35:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-16 18:35:53,461 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) [2024-11-16 18:35:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-16 18:35:53,467 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 160 [2024-11-16 18:35:53,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:35:53,468 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-16 18:35:53,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 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) [2024-11-16 18:35:53,469 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-16 18:35:53,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:35:53,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:35:53,476 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] [2024-11-16 18:35:53,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:35:53,477 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:35:53,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:35:53,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1609505917, now seen corresponding path program 1 times [2024-11-16 18:35:53,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:35:53,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775957427] [2024-11-16 18:35:53,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:35:53,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:35:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:35:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:35:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:35:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:35:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:35:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:35:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:35:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:35:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:35:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:35:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:35:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:35:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:35:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:35:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:35:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:35:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:35:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:35:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:35:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:53,903 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:35:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:35:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775957427] [2024-11-16 18:35:53,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775957427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:35:53,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:35:53,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:35:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004729734] [2024-11-16 18:35:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:35:53,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:35:53,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:35:53,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:35:53,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:35:53,907 INFO L87 Difference]: Start difference. First operand 120 states and 173 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) [2024-11-16 18:35:53,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:35:53,945 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-16 18:35:53,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:35:53,946 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 [2024-11-16 18:35:53,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:35:53,948 INFO L225 Difference]: With dead ends: 239 [2024-11-16 18:35:53,948 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:35:53,949 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 [2024-11-16 18:35:53,950 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 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 [2024-11-16 18:35:53,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:35:53,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:35:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-16 18:35:53,959 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) [2024-11-16 18:35:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-16 18:35:53,960 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 160 [2024-11-16 18:35:53,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:35:53,961 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-16 18:35:53,961 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) [2024-11-16 18:35:53,961 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-16 18:35:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:35:53,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:35:53,964 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, 1, 1] [2024-11-16 18:35:53,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:35:53,964 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:35:53,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:35:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash 409363813, now seen corresponding path program 1 times [2024-11-16 18:35:53,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:35:53,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082051472] [2024-11-16 18:35:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:35:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:35:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:35:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:35:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:35:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:35:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:35:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:35:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:35:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:35:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:35:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:35:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:35:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:35:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:35:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:35:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:35:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:35:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:35:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:35:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:35:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:35:54,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:35:54,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082051472] [2024-11-16 18:35:54,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082051472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:35:54,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:35:54,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:35:54,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427200804] [2024-11-16 18:35:54,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:35:54,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:35:54,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:35:54,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:35:54,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:35:54,342 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-16 18:35:54,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:35:54,383 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-16 18:35:54,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:35:54,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 162 [2024-11-16 18:35:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:35:54,389 INFO L225 Difference]: With dead ends: 241 [2024-11-16 18:35:54,389 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:35:54,390 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 [2024-11-16 18:35:54,394 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 497 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 [2024-11-16 18:35:54,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 497 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:35:54,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:35:54,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-16 18:35:54,403 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) [2024-11-16 18:35:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-16 18:35:54,404 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 162 [2024-11-16 18:35:54,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:35:54,405 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-16 18:35:54,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-16 18:35:54,405 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-16 18:35:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:35:54,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:35:54,407 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, 1, 1] [2024-11-16 18:35:54,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:35:54,408 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:35:54,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:35:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -587708540, now seen corresponding path program 1 times [2024-11-16 18:35:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:35:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35206610] [2024-11-16 18:35:54,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:35:54,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:35:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:35:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:35:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:35:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:35:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:35:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:35:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:35:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:35:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:35:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:35:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:35:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:35:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:35:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:35:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:35:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:35:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:35:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:35:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:35:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:35:55,851 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:35:55,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:35:55,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35206610] [2024-11-16 18:35:55,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35206610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:35:55,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:35:55,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:35:55,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210675549] [2024-11-16 18:35:55,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:35:55,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:35:55,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:35:55,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:35:55,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:35:55,854 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2024-11-16 18:35:56,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:35:56,439 INFO L93 Difference]: Finished difference Result 404 states and 575 transitions. [2024-11-16 18:35:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:35:56,440 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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 162 [2024-11-16 18:35:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:35:56,442 INFO L225 Difference]: With dead ends: 404 [2024-11-16 18:35:56,442 INFO L226 Difference]: Without dead ends: 285 [2024-11-16 18:35:56,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-16 18:35:56,444 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 404 mSDsluCounter, 1090 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:35:56,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1241 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:35:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-16 18:35:56,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 236. [2024-11-16 18:35:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-16 18:35:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 339 transitions. [2024-11-16 18:35:56,469 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 339 transitions. Word has length 162 [2024-11-16 18:35:56,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:35:56,470 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 339 transitions. [2024-11-16 18:35:56,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 10 states have internal predecessors, (70), 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) [2024-11-16 18:35:56,470 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 339 transitions. [2024-11-16 18:35:56,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:35:56,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:35:56,472 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, 1, 1] [2024-11-16 18:35:56,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:35:56,473 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:35:56,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:35:56,476 INFO L85 PathProgramCache]: Analyzing trace with hash 919843269, now seen corresponding path program 1 times [2024-11-16 18:35:56,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:35:56,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498316455] [2024-11-16 18:35:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:35:56,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:35:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat