./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.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-64.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 4ba4618d2c12b624306627073ace8aff518621333cf7d938808dd7313f83bbaa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:36:20,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:36:20,680 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:36:20,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:36:20,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:36:20,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:36:20,709 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:36:20,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:36:20,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:36:20,710 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:36:20,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:36:20,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:36:20,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:36:20,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:36:20,712 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:36:20,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:36:20,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:36:20,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:36:20,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:36:20,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:36:20,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:36:20,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:36:20,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:36:20,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:36:20,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:36:20,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:36:20,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:36:20,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:36:20,716 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:36:20,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:36:20,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:36:20,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:36:20,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:36:20,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:36:20,717 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:36:20,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:36:20,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ba4618d2c12b624306627073ace8aff518621333cf7d938808dd7313f83bbaa [2024-11-16 18:36:20,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:36:20,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:36:20,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:36:20,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:36:20,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:36:20,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i [2024-11-16 18:36:22,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:36:22,340 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:36:22,341 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-64.i [2024-11-16 18:36:22,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ced3f7d2/ec7c1552f0ee458b8a90db86885a35ac/FLAGc04caab0d [2024-11-16 18:36:22,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ced3f7d2/ec7c1552f0ee458b8a90db86885a35ac [2024-11-16 18:36:22,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:36:22,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:36:22,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:36:22,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:36:22,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:36:22,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8178b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22, skipping insertion in model container [2024-11-16 18:36:22,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:36:22,533 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-64.i[916,929] [2024-11-16 18:36:22,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:36:22,604 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:36:22,617 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-64.i[916,929] [2024-11-16 18:36:22,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:36:22,683 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:36:22,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22 WrapperNode [2024-11-16 18:36:22,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:36:22,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:36:22,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:36:22,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:36:22,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,740 INFO L138 Inliner]: procedures = 29, calls = 177, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 557 [2024-11-16 18:36:22,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:36:22,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:36:22,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:36:22,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:36:22,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,760 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,789 INFO L175 MemorySlicer]: Split 131 memory accesses to 16 slices as follows [2, 15, 6, 10, 11, 8, 8, 8, 10, 7, 6, 8, 3, 12, 7, 10]. 11 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1]. [2024-11-16 18:36:22,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:36:22,823 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:36:22,824 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:36:22,824 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:36:22,824 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (1/1) ... [2024-11-16 18:36:22,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:36:22,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:36:22,853 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 18:36:22,856 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 18:36:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:36:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 18:36:22,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 18:36:22,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 18:36:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 18:36:22,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-16 18:36:22,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-16 18:36:22,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 18:36:22,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-16 18:36:22,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-16 18:36:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-16 18:36:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-16 18:36:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-16 18:36:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-16 18:36:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-16 18:36:22,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-16 18:36:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-16 18:36:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-16 18:36:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-16 18:36:22,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:36:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 18:36:22,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 18:36:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 18:36:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 18:36:22,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 18:36:22,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 18:36:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 18:36:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 18:36:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 18:36:22,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:36:22,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:36:23,094 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:36:23,095 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:36:23,513 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: havoc property_#t~mem92#1;havoc property_#t~ite106#1;havoc property_#t~mem96#1;havoc property_#t~mem93#1;havoc property_#t~ite95#1;havoc property_#t~mem94#1;havoc property_#t~ite105#1;havoc property_#t~mem97#1;havoc property_#t~mem98#1;havoc property_#t~mem99#1;havoc property_#t~ite102#1;havoc property_#t~mem101#1;havoc property_#t~mem100#1;havoc property_#t~mem104#1;havoc property_#t~mem103#1;havoc property_#t~mem107#1;havoc property_#t~mem108#1;havoc property_#t~ite113#1;havoc property_#t~mem112#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~short111#1;havoc property_#t~short114#1;havoc property_#t~mem115#1;havoc property_#t~ite125#1;havoc property_#t~mem119#1;havoc property_#t~mem118#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~short120#1;havoc property_#t~ite124#1;havoc property_#t~mem123#1;havoc property_#t~mem121#1;havoc property_#t~mem122#1;havoc property_#t~short126#1;havoc property_#t~mem129#1;havoc property_#t~mem127#1;havoc property_#t~mem128#1;havoc property_#t~bitwise130#1;havoc property_#t~mem131#1;havoc property_#t~ite140#1;havoc property_#t~mem132#1;havoc property_#t~ite137#1;havoc property_#t~mem134#1;havoc property_#t~mem133#1;havoc property_#t~mem136#1;havoc property_#t~mem135#1;havoc property_#t~mem139#1;havoc property_#t~mem138#1;havoc property_#t~short141#1; [2024-11-16 18:36:23,561 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-16 18:36:23,562 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:36:23,579 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:36:23,580 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:36:23,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:36:23 BoogieIcfgContainer [2024-11-16 18:36:23,580 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:36:23,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:36:23,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:36:23,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:36:23,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:36:22" (1/3) ... [2024-11-16 18:36:23,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7114ca0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:36:23, skipping insertion in model container [2024-11-16 18:36:23,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:36:22" (2/3) ... [2024-11-16 18:36:23,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7114ca0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:36:23, skipping insertion in model container [2024-11-16 18:36:23,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:36:23" (3/3) ... [2024-11-16 18:36:23,586 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-64.i [2024-11-16 18:36:23,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:36:23,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:36:23,655 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:36:23,661 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;@18032111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:36:23,662 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:36:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 109 states have (on average 1.4220183486238531) internal successors, (155), 110 states have internal predecessors, (155), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:36:23,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 18:36:23,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:23,679 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:23,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:23,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:23,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1002182603, now seen corresponding path program 1 times [2024-11-16 18:36:23,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:23,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944251628] [2024-11-16 18:36:23,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:23,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:36:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:36:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:36:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:36:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:36:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:36:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:36:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:36:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:36:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:36:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:36:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:36:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:36:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:36:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:36:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:36:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:36:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:36:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:36:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:36:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:36:24,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:36:24,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944251628] [2024-11-16 18:36:24,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944251628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:36:24,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:36:24,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:36:24,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802969376] [2024-11-16 18:36:24,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:36:24,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:36:24,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:36:24,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:36:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:36:24,130 INFO L87 Difference]: Start difference. First operand has 132 states, 109 states have (on average 1.4220183486238531) internal successors, (155), 110 states have internal predecessors, (155), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-16 18:36:24,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:36:24,162 INFO L93 Difference]: Finished difference Result 256 states and 403 transitions. [2024-11-16 18:36:24,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:36:24,165 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2024-11-16 18:36:24,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:36:24,172 INFO L225 Difference]: With dead ends: 256 [2024-11-16 18:36:24,172 INFO L226 Difference]: Without dead ends: 127 [2024-11-16 18:36:24,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 18:36:24,180 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:36:24,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:36:24,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-16 18:36:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-16 18:36:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 105 states have (on average 1.4) internal successors, (147), 105 states have internal predecessors, (147), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:36:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 187 transitions. [2024-11-16 18:36:24,224 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 187 transitions. Word has length 161 [2024-11-16 18:36:24,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:36:24,224 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 187 transitions. [2024-11-16 18:36:24,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-16 18:36:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 187 transitions. [2024-11-16 18:36:24,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 18:36:24,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:24,228 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:24,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:36:24,228 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:24,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash -748720997, now seen corresponding path program 1 times [2024-11-16 18:36:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:24,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579469714] [2024-11-16 18:36:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:24,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:36:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:36:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:36:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:36:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:36:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:36:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:36:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:36:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:36:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:36:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:36:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:36:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:36:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:36:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:36:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:36:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:36:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:36:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:36:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:36:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,623 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:36:24,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:36:24,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579469714] [2024-11-16 18:36:24,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579469714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:36:24,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:36:24,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:36:24,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706694823] [2024-11-16 18:36:24,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:36:24,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:36:24,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:36:24,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:36:24,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:36:24,629 INFO L87 Difference]: Start difference. First operand 127 states and 187 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:36:24,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:36:24,680 INFO L93 Difference]: Finished difference Result 253 states and 374 transitions. [2024-11-16 18:36:24,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:36:24,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 161 [2024-11-16 18:36:24,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:36:24,683 INFO L225 Difference]: With dead ends: 253 [2024-11-16 18:36:24,683 INFO L226 Difference]: Without dead ends: 129 [2024-11-16 18:36:24,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 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 18:36:24,684 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:36:24,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 538 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:36:24,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-16 18:36:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-16 18:36:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 107 states have (on average 1.3925233644859814) internal successors, (149), 107 states have internal predecessors, (149), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:36:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 189 transitions. [2024-11-16 18:36:24,694 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 189 transitions. Word has length 161 [2024-11-16 18:36:24,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:36:24,696 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 189 transitions. [2024-11-16 18:36:24,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:36:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 189 transitions. [2024-11-16 18:36:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-16 18:36:24,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:24,698 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:24,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:36:24,698 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:24,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:24,699 INFO L85 PathProgramCache]: Analyzing trace with hash 443849921, now seen corresponding path program 1 times [2024-11-16 18:36:24,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:24,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814920880] [2024-11-16 18:36:24,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:24,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:36:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:36:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:36:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:36:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:36:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:36:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:36:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:36:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:36:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:36:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:36:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:36:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:36:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:36:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:36:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:36:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:36:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:36:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:36:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:36:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:36:24,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:36:24,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814920880] [2024-11-16 18:36:24,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814920880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:36:24,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:36:24,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:36:24,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026242763] [2024-11-16 18:36:24,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:36:24,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:36:24,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:36:24,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:36:24,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:36:24,949 INFO L87 Difference]: Start difference. First operand 129 states and 189 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:36:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:36:24,997 INFO L93 Difference]: Finished difference Result 258 states and 379 transitions. [2024-11-16 18:36:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:36:24,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 163 [2024-11-16 18:36:24,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:36:25,001 INFO L225 Difference]: With dead ends: 258 [2024-11-16 18:36:25,001 INFO L226 Difference]: Without dead ends: 132 [2024-11-16 18:36:25,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:36:25,006 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:36:25,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 711 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:36:25,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-16 18:36:25,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-16 18:36:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 110 states have (on average 1.3818181818181818) internal successors, (152), 110 states have internal predecessors, (152), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:36:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 192 transitions. [2024-11-16 18:36:25,014 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 192 transitions. Word has length 163 [2024-11-16 18:36:25,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:36:25,015 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 192 transitions. [2024-11-16 18:36:25,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:36:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 192 transitions. [2024-11-16 18:36:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:36:25,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:25,017 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:25,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:36:25,017 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:25,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:25,018 INFO L85 PathProgramCache]: Analyzing trace with hash -715240336, now seen corresponding path program 1 times [2024-11-16 18:36:25,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:25,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412635436] [2024-11-16 18:36:25,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:25,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:36:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:36:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:36:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:36:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:36:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:36:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:36:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:36:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:36:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:36:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:36:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:36:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:36:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:36:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:36:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:36:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:36:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:36:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:36:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:36:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:36:25,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:36:25,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412635436] [2024-11-16 18:36:25,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412635436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:36:25,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:36:25,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:36:25,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470677329] [2024-11-16 18:36:25,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:36:25,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:36:25,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:36:25,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:36:25,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:36:25,676 INFO L87 Difference]: Start difference. First operand 132 states and 192 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:36:26,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:36:26,020 INFO L93 Difference]: Finished difference Result 496 states and 718 transitions. [2024-11-16 18:36:26,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:36:26,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-16 18:36:26,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:36:26,023 INFO L225 Difference]: With dead ends: 496 [2024-11-16 18:36:26,023 INFO L226 Difference]: Without dead ends: 367 [2024-11-16 18:36:26,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:36:26,025 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 395 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 884 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:36:26,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 884 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:36:26,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-16 18:36:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 149. [2024-11-16 18:36:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 127 states have (on average 1.4015748031496063) internal successors, (178), 127 states have internal predecessors, (178), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:36:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 218 transitions. [2024-11-16 18:36:26,046 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 218 transitions. Word has length 164 [2024-11-16 18:36:26,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:36:26,046 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 218 transitions. [2024-11-16 18:36:26,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:36:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 218 transitions. [2024-11-16 18:36:26,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 18:36:26,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:26,050 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:26,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:36:26,050 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:26,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:26,052 INFO L85 PathProgramCache]: Analyzing trace with hash -973243905, now seen corresponding path program 1 times [2024-11-16 18:36:26,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:26,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200683859] [2024-11-16 18:36:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:26,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:36:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:36:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:36:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:36:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:36:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:36:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:36:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:36:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:36:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:36:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:36:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:36:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:36:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:36:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:36:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:36:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:36:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:36:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:36:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:36:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,087 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-16 18:36:27,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:36:27,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200683859] [2024-11-16 18:36:27,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200683859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 18:36:27,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688740260] [2024-11-16 18:36:27,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:27,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:36:27,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:36:27,094 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 18:36:27,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 18:36:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:27,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-16 18:36:27,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:36:27,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:36:27,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-16 18:36:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 382 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-16 18:36:27,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:36:28,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-16 18:36:28,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-16 18:36:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-16 18:36:28,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688740260] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 18:36:28,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 18:36:28,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 30 [2024-11-16 18:36:28,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602998740] [2024-11-16 18:36:28,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 18:36:28,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-16 18:36:28,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:36:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-16 18:36:28,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2024-11-16 18:36:28,579 INFO L87 Difference]: Start difference. First operand 149 states and 218 transitions. Second operand has 30 states, 26 states have (on average 5.615384615384615) internal successors, (146), 29 states have internal predecessors, (146), 8 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 8 states have call successors, (60) [2024-11-16 18:36:30,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:36:30,495 INFO L93 Difference]: Finished difference Result 607 states and 875 transitions. [2024-11-16 18:36:30,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-16 18:36:30,496 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 26 states have (on average 5.615384615384615) internal successors, (146), 29 states have internal predecessors, (146), 8 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 8 states have call successors, (60) Word has length 165 [2024-11-16 18:36:30,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:36:30,498 INFO L225 Difference]: With dead ends: 607 [2024-11-16 18:36:30,498 INFO L226 Difference]: Without dead ends: 461 [2024-11-16 18:36:30,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 356 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 888 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=651, Invalid=3771, Unknown=0, NotChecked=0, Total=4422 [2024-11-16 18:36:30,504 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 1040 mSDsluCounter, 3489 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1040 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 1809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:36:30,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1040 Valid, 3754 Invalid, 1809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 18:36:30,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-16 18:36:30,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 435. [2024-11-16 18:36:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 363 states have (on average 1.371900826446281) internal successors, (498), 365 states have internal predecessors, (498), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 18:36:30,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 630 transitions. [2024-11-16 18:36:30,538 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 630 transitions. Word has length 165 [2024-11-16 18:36:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:36:30,539 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 630 transitions. [2024-11-16 18:36:30,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 26 states have (on average 5.615384615384615) internal successors, (146), 29 states have internal predecessors, (146), 8 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 8 states have call successors, (60) [2024-11-16 18:36:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 630 transitions. [2024-11-16 18:36:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 18:36:30,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:30,540 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:30,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 18:36:30,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:36:30,741 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:30,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:30,742 INFO L85 PathProgramCache]: Analyzing trace with hash -844161186, now seen corresponding path program 1 times [2024-11-16 18:36:30,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:30,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431455188] [2024-11-16 18:36:30,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:30,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:36:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:36:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:36:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:36:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:36:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:36:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:36:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:36:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:36:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:36:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:36:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:36:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:36:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:36:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:36:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:36:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:36:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:36:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:36:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 18:36:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-16 18:36:31,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:36:31,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431455188] [2024-11-16 18:36:31,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431455188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 18:36:31,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491597156] [2024-11-16 18:36:31,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:31,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:36:31,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:36:31,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 18:36:31,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 18:36:31,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:36:31,573 INFO L255 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-16 18:36:31,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:36:31,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:36:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 8 proven. 420 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-16 18:36:31,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:36:32,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-16 18:36:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-16 18:36:32,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491597156] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 18:36:32,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 18:36:32,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-11-16 18:36:32,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923874813] [2024-11-16 18:36:32,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 18:36:32,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 18:36:32,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:36:32,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 18:36:32,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:36:32,234 INFO L87 Difference]: Start difference. First operand 435 states and 630 transitions. Second operand has 17 states, 14 states have (on average 9.642857142857142) internal successors, (135), 16 states have internal predecessors, (135), 7 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-16 18:36:33,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:36:33,435 INFO L93 Difference]: Finished difference Result 1021 states and 1453 transitions. [2024-11-16 18:36:33,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-16 18:36:33,439 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 9.642857142857142) internal successors, (135), 16 states have internal predecessors, (135), 7 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 7 states have call successors, (60) Word has length 165 [2024-11-16 18:36:33,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:36:33,447 INFO L225 Difference]: With dead ends: 1021 [2024-11-16 18:36:33,447 INFO L226 Difference]: Without dead ends: 637 [2024-11-16 18:36:33,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 364 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=373, Invalid=1519, Unknown=0, NotChecked=0, Total=1892 [2024-11-16 18:36:33,450 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 792 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 18:36:33,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 1922 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 18:36:33,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-11-16 18:36:33,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 476. [2024-11-16 18:36:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 390 states have (on average 1.3384615384615384) internal successors, (522), 391 states have internal predecessors, (522), 73 states have call successors, (73), 12 states have call predecessors, (73), 12 states have return successors, (73), 72 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-16 18:36:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 668 transitions. [2024-11-16 18:36:33,486 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 668 transitions. Word has length 165 [2024-11-16 18:36:33,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:36:33,486 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 668 transitions. [2024-11-16 18:36:33,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 9.642857142857142) internal successors, (135), 16 states have internal predecessors, (135), 7 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 5 states have call predecessors, (60), 7 states have call successors, (60) [2024-11-16 18:36:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 668 transitions. [2024-11-16 18:36:33,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 18:36:33,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:36:33,488 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:36:33,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 18:36:33,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 18:36:33,689 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:36:33,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:36:33,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1202004333, now seen corresponding path program 1 times [2024-11-16 18:36:33,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:36:33,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161829620] [2024-11-16 18:36:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:36:33,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:36:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat