./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:48:15,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:48:15,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 12:48:15,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:48:15,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:48:15,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:48:15,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:48:15,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:48:15,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:48:15,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:48:15,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 12:48:15,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 12:48:15,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:48:15,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:48:15,682 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:48:15,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:48:15,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 12:48:15,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 12:48:15,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:48:15,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 12:48:15,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:48:15,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 12:48:15,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 12:48:15,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 12:48:15,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:48:15,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 12:48:15,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:48:15,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:48:15,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:48:15,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 12:48:15,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 12:48:15,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 12:48:15,688 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e [2024-11-13 12:48:16,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:48:16,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:48:16,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:48:16,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:48:16,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:48:16,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i Unable to find full path for "g++" [2024-11-13 12:48:17,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:48:18,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:48:18,210 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-13 12:48:18,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/data/7954b140a/8fcff975ab1446298d3612604284a835/FLAGdd4ab05db [2024-11-13 12:48:18,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/data/7954b140a/8fcff975ab1446298d3612604284a835 [2024-11-13 12:48:18,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:48:18,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:48:18,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:48:18,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:48:18,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:48:18,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731e0d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18, skipping insertion in model container [2024-11-13 12:48:18,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:48:18,471 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-13 12:48:18,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:48:18,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:48:18,626 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-13 12:48:18,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:48:18,720 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:48:18,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18 WrapperNode [2024-11-13 12:48:18,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:48:18,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:48:18,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:48:18,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:48:18,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,793 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 554 [2024-11-13 12:48:18,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:48:18,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:48:18,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:48:18,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:48:18,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,869 INFO L175 MemorySlicer]: Split 135 memory accesses to 17 slices as follows [2, 5, 9, 13, 8, 6, 8, 8, 8, 8, 14, 4, 6, 6, 14, 8, 8]. 10 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-13 12:48:18,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,914 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:48:18,915 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:48:18,916 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:48:18,916 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:48:18,917 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (1/1) ... [2024-11-13 12:48:18,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 12:48:18,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:48:18,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 12:48:18,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9965b241-51b4-498d-87ec-6d094dd09e31/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 12:48:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 12:48:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 12:48:18,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 12:48:18,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 12:48:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 12:48:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 12:48:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 12:48:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 12:48:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 12:48:18,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 12:48:18,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 12:48:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 12:48:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-13 12:48:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-13 12:48:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-13 12:48:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-13 12:48:18,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 12:48:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 12:48:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 12:48:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-13 12:48:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-13 12:48:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-13 12:48:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-13 12:48:18,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-13 12:48:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-13 12:48:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-13 12:48:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-13 12:48:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-13 12:48:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-13 12:48:18,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 12:48:18,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 12:48:18,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 12:48:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 12:48:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 12:48:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 12:48:19,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-13 12:48:19,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-13 12:48:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-13 12:48:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-13 12:48:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-11-13 12:48:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 12:48:19,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 12:48:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 12:48:19,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 12:48:19,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-13 12:48:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-13 12:48:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:48:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:48:19,315 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:48:19,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:48:20,245 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-13 12:48:20,245 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:48:20,267 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:48:20,267 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:48:20,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:48:20 BoogieIcfgContainer [2024-11-13 12:48:20,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:48:20,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 12:48:20,272 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 12:48:20,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 12:48:20,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 12:48:18" (1/3) ... [2024-11-13 12:48:20,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a7ec95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:48:20, skipping insertion in model container [2024-11-13 12:48:20,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:48:18" (2/3) ... [2024-11-13 12:48:20,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a7ec95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 12:48:20, skipping insertion in model container [2024-11-13 12:48:20,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:48:20" (3/3) ... [2024-11-13 12:48:20,282 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-6.i [2024-11-13 12:48:20,298 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 12:48:20,302 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 12:48:20,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 12:48:20,414 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;@646d4ba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 12:48:20,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 12:48:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 12:48:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 12:48:20,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:20,444 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:20,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:20,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:20,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2072388248, now seen corresponding path program 1 times [2024-11-13 12:48:20,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:20,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282264786] [2024-11-13 12:48:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:20,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:48:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:48:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:48:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:48:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:48:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:48:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:48:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:20,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:48:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:48:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:48:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:48:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:48:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:48:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:48:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:48:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:48:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:48:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:48:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:48:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:48:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 12:48:21,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:48:21,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282264786] [2024-11-13 12:48:21,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282264786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:48:21,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:48:21,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 12:48:21,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749390109] [2024-11-13 12:48:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:48:21,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 12:48:21,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:48:21,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 12:48:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:48:21,248 INFO L87 Difference]: Start difference. First operand has 122 states, 100 states have (on average 1.41) internal successors, (141), 101 states have internal predecessors, (141), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 12:48:21,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:48:21,312 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-13 12:48:21,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 12:48:21,314 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 158 [2024-11-13 12:48:21,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:48:21,328 INFO L225 Difference]: With dead ends: 237 [2024-11-13 12:48:21,328 INFO L226 Difference]: Without dead ends: 118 [2024-11-13 12:48:21,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 12:48:21,336 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:48:21,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:48:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-13 12:48:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-13 12:48:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 97 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 12:48:21,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-13 12:48:21,395 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-13 12:48:21,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:48:21,396 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-13 12:48:21,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-13 12:48:21,396 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-13 12:48:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 12:48:21,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:21,401 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:21,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 12:48:21,401 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:21,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1723196874, now seen corresponding path program 1 times [2024-11-13 12:48:21,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:21,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066699476] [2024-11-13 12:48:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:21,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:48:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:48:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:48:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:48:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:48:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:48:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:48:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:48:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:48:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:48:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:48:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:48:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:48:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:48:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:48:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:48:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:48:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:48:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:48:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:48:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 12:48:22,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:48:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066699476] [2024-11-13 12:48:22,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066699476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:48:22,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:48:22,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 12:48:22,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520324663] [2024-11-13 12:48:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:48:22,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 12:48:22,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:48:22,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 12:48:22,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:48:22,351 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 12:48:22,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:48:22,415 INFO L93 Difference]: Finished difference Result 233 states and 341 transitions. [2024-11-13 12:48:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 12:48:22,417 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-13 12:48:22,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:48:22,420 INFO L225 Difference]: With dead ends: 233 [2024-11-13 12:48:22,423 INFO L226 Difference]: Without dead ends: 118 [2024-11-13 12:48:22,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 12:48:22,425 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:48:22,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:48:22,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-13 12:48:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-13 12:48:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.3711340206185567) internal successors, (133), 97 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 12:48:22,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2024-11-13 12:48:22,455 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 158 [2024-11-13 12:48:22,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:48:22,459 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2024-11-13 12:48:22,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 12:48:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2024-11-13 12:48:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-13 12:48:22,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:22,466 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:22,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 12:48:22,467 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:22,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:22,468 INFO L85 PathProgramCache]: Analyzing trace with hash 882826680, now seen corresponding path program 1 times [2024-11-13 12:48:22,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:22,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239186589] [2024-11-13 12:48:22,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:22,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:48:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:48:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:48:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:48:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:48:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:22,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:48:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:48:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:48:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:48:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:48:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:48:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:48:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:48:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:48:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:48:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:48:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:48:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:48:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:48:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:48:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 12:48:23,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:48:23,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239186589] [2024-11-13 12:48:23,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239186589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:48:23,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:48:23,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:48:23,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029973515] [2024-11-13 12:48:23,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:48:23,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:48:23,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:48:23,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:48:23,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:48:23,080 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 12:48:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:48:23,152 INFO L93 Difference]: Finished difference Result 235 states and 342 transitions. [2024-11-13 12:48:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:48:23,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2024-11-13 12:48:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:48:23,155 INFO L225 Difference]: With dead ends: 235 [2024-11-13 12:48:23,155 INFO L226 Difference]: Without dead ends: 120 [2024-11-13 12:48:23,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:48:23,157 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:48:23,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:48:23,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-13 12:48:23,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-13 12:48:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 12:48:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-13 12:48:23,170 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-11-13 12:48:23,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:48:23,171 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-13 12:48:23,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 12:48:23,171 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-13 12:48:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 12:48:23,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:23,178 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:23,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 12:48:23,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:23,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:23,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1537622346, now seen corresponding path program 1 times [2024-11-13 12:48:23,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:23,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618044263] [2024-11-13 12:48:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:23,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:48:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:48:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:48:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:48:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:48:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:48:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:48:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:48:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:48:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:48:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:48:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:48:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:48:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:48:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:48:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:48:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:48:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:48:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:48:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:48:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 12:48:23,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:48:23,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618044263] [2024-11-13 12:48:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618044263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:48:23,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:48:23,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 12:48:23,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191309778] [2024-11-13 12:48:23,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:48:23,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 12:48:23,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:48:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 12:48:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:48:23,877 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 12:48:23,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:48:23,948 INFO L93 Difference]: Finished difference Result 237 states and 343 transitions. [2024-11-13 12:48:23,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 12:48:23,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-13 12:48:23,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:48:23,952 INFO L225 Difference]: With dead ends: 237 [2024-11-13 12:48:23,952 INFO L226 Difference]: Without dead ends: 120 [2024-11-13 12:48:23,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 12:48:23,957 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 12:48:23,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 12:48:23,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-13 12:48:23,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-13 12:48:23,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-13 12:48:23,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 172 transitions. [2024-11-13 12:48:23,979 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 172 transitions. Word has length 160 [2024-11-13 12:48:23,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:48:23,980 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 172 transitions. [2024-11-13 12:48:23,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-13 12:48:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 172 transitions. [2024-11-13 12:48:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 12:48:23,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:23,987 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:23,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 12:48:23,987 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:23,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:23,988 INFO L85 PathProgramCache]: Analyzing trace with hash -50725556, now seen corresponding path program 1 times [2024-11-13 12:48:23,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:23,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754123459] [2024-11-13 12:48:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:48:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 12:48:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 12:48:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-13 12:48:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-13 12:48:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 12:48:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-13 12:48:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 12:48:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 12:48:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 12:48:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-13 12:48:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 12:48:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 12:48:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 12:48:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 12:48:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 12:48:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-13 12:48:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-13 12:48:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 12:48:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-13 12:48:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:48:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 12:48:26,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 12:48:26,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754123459] [2024-11-13 12:48:26,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754123459] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 12:48:26,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 12:48:26,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 12:48:26,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383929214] [2024-11-13 12:48:26,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 12:48:26,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 12:48:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 12:48:26,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 12:48:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-13 12:48:26,464 INFO L87 Difference]: Start difference. First operand 120 states and 172 transitions. Second operand has 11 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 12:48:27,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 12:48:27,511 INFO L93 Difference]: Finished difference Result 384 states and 552 transitions. [2024-11-13 12:48:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 12:48:27,512 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 160 [2024-11-13 12:48:27,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 12:48:27,515 INFO L225 Difference]: With dead ends: 384 [2024-11-13 12:48:27,515 INFO L226 Difference]: Without dead ends: 267 [2024-11-13 12:48:27,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-13 12:48:27,519 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 422 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 12:48:27,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 1330 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 12:48:27,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-13 12:48:27,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 216. [2024-11-13 12:48:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 183 states have (on average 1.360655737704918) internal successors, (249), 184 states have internal predecessors, (249), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 12:48:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 309 transitions. [2024-11-13 12:48:27,576 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 309 transitions. Word has length 160 [2024-11-13 12:48:27,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 12:48:27,577 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 309 transitions. [2024-11-13 12:48:27,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.8) internal successors, (68), 10 states have internal predecessors, (68), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-13 12:48:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 309 transitions. [2024-11-13 12:48:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-13 12:48:27,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 12:48:27,584 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 12:48:27,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 12:48:27,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 12:48:27,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:48:27,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1176760653, now seen corresponding path program 1 times [2024-11-13 12:48:27,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:48:27,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652955789] [2024-11-13 12:48:27,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:48:27,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:48:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat