./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c6e745fb3369f6d50167657c14f10731407b128ae2baded15d3743683fdbf24 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:39:17,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:39:17,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:39:17,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:39:17,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:39:17,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:39:17,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:39:17,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:39:17,738 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:39:17,738 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:39:17,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:39:17,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:39:17,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:39:17,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:39:17,740 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:39:17,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:39:17,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:39:17,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:39:17,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:39:17,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:39:17,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:39:17,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:39:17,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:39:17,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:39:17,753 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:39:17,753 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:39:17,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:39:17,754 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:39:17,754 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:39:17,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:39:17,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:39:17,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:39:17,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:39:17,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:39:17,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:39:17,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:39:17,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:39:17,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:39:17,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:39:17,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:39:17,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:39:17,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:39:17,758 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6e745fb3369f6d50167657c14f10731407b128ae2baded15d3743683fdbf24 [2024-11-16 18:39:18,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:39:18,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:39:18,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:39:18,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:39:18,083 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:39:18,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i [2024-11-16 18:39:19,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:39:19,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:39:19,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i [2024-11-16 18:39:19,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8cb5514/29e2c8bb1fd4490ba83c700c62d09c14/FLAG691601c7d [2024-11-16 18:39:20,155 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8cb5514/29e2c8bb1fd4490ba83c700c62d09c14 [2024-11-16 18:39:20,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:39:20,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:39:20,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:39:20,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:39:20,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:39:20,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6504dd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20, skipping insertion in model container [2024-11-16 18:39:20,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,193 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:39:20,366 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i[916,929] [2024-11-16 18:39:20,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:39:20,473 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:39:20,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i[916,929] [2024-11-16 18:39:20,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:39:20,543 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:39:20,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20 WrapperNode [2024-11-16 18:39:20,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:39:20,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:39:20,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:39:20,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:39:20,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,618 INFO L138 Inliner]: procedures = 26, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 505 [2024-11-16 18:39:20,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:39:20,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:39:20,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:39:20,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:39:20,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,649 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,689 INFO L175 MemorySlicer]: Split 130 memory accesses to 16 slices as follows [2, 3, 6, 16, 8, 12, 13, 8, 14, 8, 6, 8, 6, 4, 12, 4]. 12 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 19 writes are split as follows [0, 1, 1, 1, 1, 1, 4, 1, 1, 2, 1, 1, 1, 1, 1, 1]. [2024-11-16 18:39:20,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,703 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:39:20,717 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:39:20,718 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:39:20,718 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:39:20,719 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (1/1) ... [2024-11-16 18:39:20,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:39:20,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:39:20,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:39:20,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:39:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:39:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 18:39:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 18:39:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 18:39:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 18:39:20,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 18:39:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 18:39:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 18:39:20,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 18:39:20,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-16 18:39:20,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 18:39:20,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-16 18:39:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-16 18:39:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-16 18:39:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-16 18:39:20,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-16 18:39:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-16 18:39:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-16 18:39:20,833 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:39:20,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:39:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 18:39:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 18:39:20,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 18:39:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 18:39:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 18:39:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 18:39:20,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 18:39:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 18:39:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 18:39:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-16 18:39:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-16 18:39:20,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-16 18:39:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-16 18:39:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-16 18:39:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-16 18:39:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-16 18:39:20,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:39:20,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:39:21,027 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:39:21,029 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:39:21,517 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L126: havoc property_#t~mem73#1;havoc property_#t~ite82#1;havoc property_#t~mem81#1;havoc property_#t~mem74#1;havoc property_#t~mem75#1;havoc property_#t~mem76#1;havoc property_#t~ite80#1;havoc property_#t~mem77#1;havoc property_#t~mem78#1;havoc property_#t~mem79#1;havoc property_#t~mem83#1;havoc property_#t~mem84#1;havoc property_#t~ite87#1;havoc property_#t~mem85#1;havoc property_#t~mem86#1;havoc property_#t~ite100#1;havoc property_#t~mem88#1;havoc property_#t~mem89#1;havoc property_#t~ite97#1;havoc property_#t~ite94#1;havoc property_#t~mem91#1;havoc property_#t~mem90#1;havoc property_#t~mem93#1;havoc property_#t~mem92#1;havoc property_#t~mem96#1;havoc property_#t~mem95#1;havoc property_#t~mem99#1;havoc property_#t~mem98#1;havoc property_#t~short101#1;havoc property_#t~mem102#1;havoc property_#t~ite111#1;havoc property_#t~mem106#1;havoc property_#t~mem104#1;havoc property_#t~mem103#1;havoc property_#t~short105#1;havoc property_#t~mem110#1;havoc property_#t~mem107#1;havoc property_#t~mem108#1;havoc property_#t~short109#1;havoc property_#t~short112#1;havoc property_#t~mem118#1;havoc property_#t~mem114#1;havoc property_#t~mem113#1;havoc property_#t~ite117#1;havoc property_#t~mem115#1;havoc property_#t~mem116#1;havoc property_#t~short119#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~ite127#1;havoc property_#t~mem122#1;havoc property_#t~mem123#1;havoc property_#t~ite126#1;havoc property_#t~mem125#1;havoc property_#t~mem124#1;havoc property_#t~short128#1; [2024-11-16 18:39:21,583 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-16 18:39:21,584 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:39:21,603 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:39:21,604 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:39:21,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:39:21 BoogieIcfgContainer [2024-11-16 18:39:21,604 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:39:21,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:39:21,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:39:21,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:39:21,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:39:20" (1/3) ... [2024-11-16 18:39:21,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f3bcd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:39:21, skipping insertion in model container [2024-11-16 18:39:21,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:39:20" (2/3) ... [2024-11-16 18:39:21,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f3bcd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:39:21, skipping insertion in model container [2024-11-16 18:39:21,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:39:21" (3/3) ... [2024-11-16 18:39:21,615 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-90.i [2024-11-16 18:39:21,627 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:39:21,628 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:39:21,696 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:39:21,706 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;@264f47f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:39:21,706 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:39:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 92 states have internal predecessors, (124), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:39:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 18:39:21,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:21,727 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:21,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:21,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:21,733 INFO L85 PathProgramCache]: Analyzing trace with hash 544400996, now seen corresponding path program 1 times [2024-11-16 18:39:21,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:21,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852863038] [2024-11-16 18:39:21,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:21,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:22,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:22,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852863038] [2024-11-16 18:39:22,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852863038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:22,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:22,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:39:22,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815096683] [2024-11-16 18:39:22,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:22,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:39:22,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:22,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:39:22,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:39:22,346 INFO L87 Difference]: Start difference. First operand has 114 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 92 states have internal predecessors, (124), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-16 18:39:22,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:22,385 INFO L93 Difference]: Finished difference Result 220 states and 341 transitions. [2024-11-16 18:39:22,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:39:22,392 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 155 [2024-11-16 18:39:22,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:22,404 INFO L225 Difference]: With dead ends: 220 [2024-11-16 18:39:22,404 INFO L226 Difference]: Without dead ends: 109 [2024-11-16 18:39:22,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:39:22,413 INFO L432 NwaCegarLoop]: 156 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, 156 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:22,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:22,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-16 18:39:22,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-16 18:39:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:39:22,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-16 18:39:22,520 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 155 [2024-11-16 18:39:22,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:22,521 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-16 18:39:22,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-16 18:39:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-16 18:39:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-16 18:39:22,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:22,535 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:22,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:39:22,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:22,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash -769339400, now seen corresponding path program 1 times [2024-11-16 18:39:22,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:22,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57801207] [2024-11-16 18:39:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:22,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:23,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:23,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57801207] [2024-11-16 18:39:23,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57801207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:23,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:23,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:39:23,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025700871] [2024-11-16 18:39:23,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:23,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:39:23,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:23,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:39:23,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:39:23,070 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:23,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:23,165 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-16 18:39:23,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:39:23,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 155 [2024-11-16 18:39:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:23,170 INFO L225 Difference]: With dead ends: 217 [2024-11-16 18:39:23,173 INFO L226 Difference]: Without dead ends: 111 [2024-11-16 18:39:23,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:39:23,175 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:23,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 451 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:23,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-16 18:39:23,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-16 18:39:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:39:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-16 18:39:23,199 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 155 [2024-11-16 18:39:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:23,202 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-16 18:39:23,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-16 18:39:23,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-16 18:39:23,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:23,209 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:23,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:39:23,209 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:23,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:23,210 INFO L85 PathProgramCache]: Analyzing trace with hash 790837146, now seen corresponding path program 1 times [2024-11-16 18:39:23,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:23,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346079838] [2024-11-16 18:39:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:23,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:23,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:24,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:24,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:24,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:24,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346079838] [2024-11-16 18:39:24,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346079838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:24,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:24,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:39:24,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343676548] [2024-11-16 18:39:24,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:24,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:39:24,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:24,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:39:24,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:24,020 INFO L87 Difference]: Start difference. First operand 111 states and 158 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:24,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:24,383 INFO L93 Difference]: Finished difference Result 317 states and 453 transitions. [2024-11-16 18:39:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:24,384 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 157 [2024-11-16 18:39:24,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:24,387 INFO L225 Difference]: With dead ends: 317 [2024-11-16 18:39:24,387 INFO L226 Difference]: Without dead ends: 209 [2024-11-16 18:39:24,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:39:24,389 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 386 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:24,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 497 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:39:24,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-16 18:39:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 113. [2024-11-16 18:39:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:39:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 160 transitions. [2024-11-16 18:39:24,414 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 160 transitions. Word has length 157 [2024-11-16 18:39:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:24,415 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 160 transitions. [2024-11-16 18:39:24,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:24,416 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2024-11-16 18:39:24,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-16 18:39:24,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:24,418 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:24,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:39:24,418 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:24,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:24,423 INFO L85 PathProgramCache]: Analyzing trace with hash -304802340, now seen corresponding path program 1 times [2024-11-16 18:39:24,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:24,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990911680] [2024-11-16 18:39:24,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:24,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:25,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:25,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:25,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990911680] [2024-11-16 18:39:25,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990911680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:25,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:25,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:39:25,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833992116] [2024-11-16 18:39:25,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:25,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:39:25,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:25,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:39:25,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:39:25,787 INFO L87 Difference]: Start difference. First operand 113 states and 160 transitions. Second operand has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-16 18:39:26,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:26,253 INFO L93 Difference]: Finished difference Result 230 states and 324 transitions. [2024-11-16 18:39:26,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 18:39:26,253 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 158 [2024-11-16 18:39:26,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:26,255 INFO L225 Difference]: With dead ends: 230 [2024-11-16 18:39:26,255 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 18:39:26,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-16 18:39:26,257 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 208 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:26,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 714 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:39:26,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 18:39:26,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-16 18:39:26,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 97 states have internal predecessors, (126), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-16 18:39:26,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 166 transitions. [2024-11-16 18:39:26,289 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 166 transitions. Word has length 158 [2024-11-16 18:39:26,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:26,290 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 166 transitions. [2024-11-16 18:39:26,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.777777777777778) internal successors, (61), 10 states have internal predecessors, (61), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-16 18:39:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2024-11-16 18:39:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 18:39:26,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:26,295 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:26,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:39:26,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:26,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:26,296 INFO L85 PathProgramCache]: Analyzing trace with hash 276677052, now seen corresponding path program 1 times [2024-11-16 18:39:26,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:26,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428531888] [2024-11-16 18:39:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:26,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:27,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:27,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428531888] [2024-11-16 18:39:27,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428531888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:27,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:27,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:39:27,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758532456] [2024-11-16 18:39:27,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:27,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:39:27,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:27,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:39:27,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:39:27,609 INFO L87 Difference]: Start difference. First operand 120 states and 166 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:28,060 INFO L93 Difference]: Finished difference Result 295 states and 405 transitions. [2024-11-16 18:39:28,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 18:39:28,061 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-16 18:39:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:28,063 INFO L225 Difference]: With dead ends: 295 [2024-11-16 18:39:28,063 INFO L226 Difference]: Without dead ends: 178 [2024-11-16 18:39:28,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:39:28,065 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 69 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:28,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 1479 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:39:28,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-16 18:39:28,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2024-11-16 18:39:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 146 states have (on average 1.3150684931506849) internal successors, (192), 147 states have internal predecessors, (192), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 18:39:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 236 transitions. [2024-11-16 18:39:28,086 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 236 transitions. Word has length 159 [2024-11-16 18:39:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:28,087 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 236 transitions. [2024-11-16 18:39:28,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 236 transitions. [2024-11-16 18:39:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 18:39:28,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:28,089 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:28,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:39:28,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:28,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:28,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1784228861, now seen corresponding path program 1 times [2024-11-16 18:39:28,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:28,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292855968] [2024-11-16 18:39:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:28,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:28,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292855968] [2024-11-16 18:39:28,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292855968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:28,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:28,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:39:28,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418945052] [2024-11-16 18:39:28,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:28,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:39:28,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:28,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:39:28,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:28,515 INFO L87 Difference]: Start difference. First operand 172 states and 236 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:28,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:28,661 INFO L93 Difference]: Finished difference Result 352 states and 479 transitions. [2024-11-16 18:39:28,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:28,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-16 18:39:28,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:28,665 INFO L225 Difference]: With dead ends: 352 [2024-11-16 18:39:28,666 INFO L226 Difference]: Without dead ends: 183 [2024-11-16 18:39:28,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:28,667 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 64 mSDsluCounter, 659 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:28,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 852 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:28,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-16 18:39:28,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 169. [2024-11-16 18:39:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3076923076923077) internal successors, (187), 144 states have internal predecessors, (187), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 18:39:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2024-11-16 18:39:28,687 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 159 [2024-11-16 18:39:28,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:28,688 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2024-11-16 18:39:28,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2024-11-16 18:39:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 18:39:28,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:28,690 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:28,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 18:39:28,692 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:28,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:28,694 INFO L85 PathProgramCache]: Analyzing trace with hash -567794819, now seen corresponding path program 1 times [2024-11-16 18:39:28,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:28,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722189515] [2024-11-16 18:39:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:28,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:29,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:29,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722189515] [2024-11-16 18:39:29,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722189515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:29,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:29,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:39:29,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219914580] [2024-11-16 18:39:29,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:29,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:39:29,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:29,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:39:29,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:29,075 INFO L87 Difference]: Start difference. First operand 169 states and 231 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:29,221 INFO L93 Difference]: Finished difference Result 383 states and 521 transitions. [2024-11-16 18:39:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-16 18:39:29,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:29,223 INFO L225 Difference]: With dead ends: 383 [2024-11-16 18:39:29,223 INFO L226 Difference]: Without dead ends: 217 [2024-11-16 18:39:29,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:29,224 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 63 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:29,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 821 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:29,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-16 18:39:29,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2024-11-16 18:39:29,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 144 states have internal predecessors, (186), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 18:39:29,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 230 transitions. [2024-11-16 18:39:29,251 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 230 transitions. Word has length 159 [2024-11-16 18:39:29,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:29,251 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 230 transitions. [2024-11-16 18:39:29,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:29,252 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 230 transitions. [2024-11-16 18:39:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-16 18:39:29,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:29,253 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:29,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 18:39:29,254 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:29,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:29,255 INFO L85 PathProgramCache]: Analyzing trace with hash 939756990, now seen corresponding path program 1 times [2024-11-16 18:39:29,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:29,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519984991] [2024-11-16 18:39:29,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:29,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 54 proven. 54 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-16 18:39:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519984991] [2024-11-16 18:39:30,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519984991] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 18:39:30,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604896096] [2024-11-16 18:39:30,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:39:30,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:39:30,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 18:39:30,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 18:39:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:30,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-16 18:39:30,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:39:30,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:39:30,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:39:30,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 45 [2024-11-16 18:39:31,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2024-11-16 18:39:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-16 18:39:31,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:39:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:31,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604896096] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 18:39:31,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-16 18:39:31,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 11] total 24 [2024-11-16 18:39:31,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446588220] [2024-11-16 18:39:31,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:31,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:39:31,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:31,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:39:31,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2024-11-16 18:39:31,479 INFO L87 Difference]: Start difference. First operand 169 states and 230 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:31,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:31,848 INFO L93 Difference]: Finished difference Result 397 states and 536 transitions. [2024-11-16 18:39:31,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:39:31,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2024-11-16 18:39:31,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:31,851 INFO L225 Difference]: With dead ends: 397 [2024-11-16 18:39:31,851 INFO L226 Difference]: Without dead ends: 231 [2024-11-16 18:39:31,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=684, Unknown=0, NotChecked=0, Total=756 [2024-11-16 18:39:31,853 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 75 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1387 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:31,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1387 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:31,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-16 18:39:31,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2024-11-16 18:39:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 189 states have (on average 1.2962962962962963) internal successors, (245), 191 states have internal predecessors, (245), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 18:39:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 301 transitions. [2024-11-16 18:39:31,887 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 301 transitions. Word has length 159 [2024-11-16 18:39:31,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:31,887 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 301 transitions. [2024-11-16 18:39:31,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 301 transitions. [2024-11-16 18:39:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:39:31,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:31,889 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:31,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 18:39:32,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:39:32,094 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:32,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash 251298295, now seen corresponding path program 1 times [2024-11-16 18:39:32,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:32,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601468204] [2024-11-16 18:39:32,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:32,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:32,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601468204] [2024-11-16 18:39:32,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601468204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:32,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:32,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:39:32,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399130220] [2024-11-16 18:39:32,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:32,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:39:32,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:32,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:39:32,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:32,303 INFO L87 Difference]: Start difference. First operand 223 states and 301 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:32,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:32,420 INFO L93 Difference]: Finished difference Result 585 states and 796 transitions. [2024-11-16 18:39:32,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:32,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-16 18:39:32,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:32,422 INFO L225 Difference]: With dead ends: 585 [2024-11-16 18:39:32,423 INFO L226 Difference]: Without dead ends: 365 [2024-11-16 18:39:32,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:32,426 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 64 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:32,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 682 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:32,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-16 18:39:32,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 263. [2024-11-16 18:39:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 229 states have (on average 1.3056768558951966) internal successors, (299), 231 states have internal predecessors, (299), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 18:39:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 355 transitions. [2024-11-16 18:39:32,460 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 355 transitions. Word has length 160 [2024-11-16 18:39:32,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:32,461 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 355 transitions. [2024-11-16 18:39:32,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 355 transitions. [2024-11-16 18:39:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:39:32,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:32,463 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:32,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 18:39:32,464 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:32,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:32,464 INFO L85 PathProgramCache]: Analyzing trace with hash -259235882, now seen corresponding path program 1 times [2024-11-16 18:39:32,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:32,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045670432] [2024-11-16 18:39:32,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:32,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:32,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:32,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045670432] [2024-11-16 18:39:32,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045670432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:32,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:32,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:32,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947323671] [2024-11-16 18:39:32,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:32,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:32,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:32,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:32,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:32,699 INFO L87 Difference]: Start difference. First operand 263 states and 355 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:32,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:32,819 INFO L93 Difference]: Finished difference Result 688 states and 928 transitions. [2024-11-16 18:39:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:39:32,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-16 18:39:32,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:32,823 INFO L225 Difference]: With dead ends: 688 [2024-11-16 18:39:32,823 INFO L226 Difference]: Without dead ends: 428 [2024-11-16 18:39:32,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:32,824 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 80 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:32,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 622 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:32,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-16 18:39:32,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 293. [2024-11-16 18:39:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 259 states have (on average 1.305019305019305) internal successors, (338), 261 states have internal predecessors, (338), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-16 18:39:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 394 transitions. [2024-11-16 18:39:32,853 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 394 transitions. Word has length 160 [2024-11-16 18:39:32,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:32,853 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 394 transitions. [2024-11-16 18:39:32,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 394 transitions. [2024-11-16 18:39:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:39:32,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:32,856 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:32,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 18:39:32,856 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:32,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:32,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1932378632, now seen corresponding path program 1 times [2024-11-16 18:39:32,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:32,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376476854] [2024-11-16 18:39:32,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:32,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:33,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:33,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376476854] [2024-11-16 18:39:33,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376476854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:33,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:33,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:33,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522413248] [2024-11-16 18:39:33,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:33,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:33,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:33,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:33,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:33,078 INFO L87 Difference]: Start difference. First operand 293 states and 394 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:33,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:33,211 INFO L93 Difference]: Finished difference Result 674 states and 902 transitions. [2024-11-16 18:39:33,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:39:33,212 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-16 18:39:33,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:33,214 INFO L225 Difference]: With dead ends: 674 [2024-11-16 18:39:33,214 INFO L226 Difference]: Without dead ends: 384 [2024-11-16 18:39:33,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:33,217 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 78 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:33,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 713 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:33,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-16 18:39:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 253. [2024-11-16 18:39:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 221 states have (on average 1.2850678733031675) internal successors, (284), 222 states have internal predecessors, (284), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 18:39:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 336 transitions. [2024-11-16 18:39:33,243 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 336 transitions. Word has length 160 [2024-11-16 18:39:33,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:33,243 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 336 transitions. [2024-11-16 18:39:33,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 336 transitions. [2024-11-16 18:39:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:39:33,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:33,246 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:33,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 18:39:33,247 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:33,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:33,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1852054487, now seen corresponding path program 1 times [2024-11-16 18:39:33,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:33,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65372913] [2024-11-16 18:39:33,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:33,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:33,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:33,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65372913] [2024-11-16 18:39:33,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65372913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:33,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:33,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:39:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411683114] [2024-11-16 18:39:33,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:33,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:39:33,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:33,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:39:33,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:33,450 INFO L87 Difference]: Start difference. First operand 253 states and 336 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:33,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:33,559 INFO L93 Difference]: Finished difference Result 590 states and 785 transitions. [2024-11-16 18:39:33,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:33,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-16 18:39:33,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:33,561 INFO L225 Difference]: With dead ends: 590 [2024-11-16 18:39:33,562 INFO L226 Difference]: Without dead ends: 340 [2024-11-16 18:39:33,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:33,564 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 54 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:33,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 960 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:33,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-16 18:39:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 285. [2024-11-16 18:39:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 253 states have (on average 1.2885375494071147) internal successors, (326), 254 states have internal predecessors, (326), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 18:39:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 378 transitions. [2024-11-16 18:39:33,590 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 378 transitions. Word has length 160 [2024-11-16 18:39:33,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:33,591 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 378 transitions. [2024-11-16 18:39:33,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 378 transitions. [2024-11-16 18:39:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-16 18:39:33,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:33,594 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:33,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 18:39:33,594 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:33,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:33,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1015316781, now seen corresponding path program 1 times [2024-11-16 18:39:33,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:33,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599447361] [2024-11-16 18:39:33,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:33,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:35,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:35,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599447361] [2024-11-16 18:39:35,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599447361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:35,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:35,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-16 18:39:35,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093945725] [2024-11-16 18:39:35,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:35,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-16 18:39:35,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:35,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-16 18:39:35,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-16 18:39:35,230 INFO L87 Difference]: Start difference. First operand 285 states and 378 transitions. Second operand has 18 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-16 18:39:37,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:37,373 INFO L93 Difference]: Finished difference Result 1541 states and 2032 transitions. [2024-11-16 18:39:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 18:39:37,374 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 6 states have call successors, (20) Word has length 161 [2024-11-16 18:39:37,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:37,381 INFO L225 Difference]: With dead ends: 1541 [2024-11-16 18:39:37,382 INFO L226 Difference]: Without dead ends: 1259 [2024-11-16 18:39:37,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=322, Invalid=1238, Unknown=0, NotChecked=0, Total=1560 [2024-11-16 18:39:37,386 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1317 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1317 SdHoareTripleChecker+Valid, 2369 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:37,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1317 Valid, 2369 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 18:39:37,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-16 18:39:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 868. [2024-11-16 18:39:37,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 787 states have (on average 1.2947903430749683) internal successors, (1019), 791 states have internal predecessors, (1019), 66 states have call successors, (66), 14 states have call predecessors, (66), 14 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 18:39:37,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1151 transitions. [2024-11-16 18:39:37,476 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1151 transitions. Word has length 161 [2024-11-16 18:39:37,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:37,476 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1151 transitions. [2024-11-16 18:39:37,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 4.0) internal successors, (64), 17 states have internal predecessors, (64), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-16 18:39:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1151 transitions. [2024-11-16 18:39:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:37,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:37,480 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:37,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 18:39:37,480 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:37,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:37,481 INFO L85 PathProgramCache]: Analyzing trace with hash -249360960, now seen corresponding path program 1 times [2024-11-16 18:39:37,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:37,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035151874] [2024-11-16 18:39:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:37,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:37,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035151874] [2024-11-16 18:39:37,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035151874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:37,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685928565] [2024-11-16 18:39:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:37,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:37,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:37,718 INFO L87 Difference]: Start difference. First operand 868 states and 1151 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:37,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:37,861 INFO L93 Difference]: Finished difference Result 2268 states and 2983 transitions. [2024-11-16 18:39:37,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:39:37,862 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:37,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:37,868 INFO L225 Difference]: With dead ends: 2268 [2024-11-16 18:39:37,869 INFO L226 Difference]: Without dead ends: 1403 [2024-11-16 18:39:37,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:37,871 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 49 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:37,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 594 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:37,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-16 18:39:37,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1280. [2024-11-16 18:39:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1280 states, 1199 states have (on average 1.2785654712260217) internal successors, (1533), 1203 states have internal predecessors, (1533), 66 states have call successors, (66), 14 states have call predecessors, (66), 14 states have return successors, (66), 62 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 18:39:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1665 transitions. [2024-11-16 18:39:37,961 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1665 transitions. Word has length 162 [2024-11-16 18:39:37,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:37,963 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 1665 transitions. [2024-11-16 18:39:37,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1665 transitions. [2024-11-16 18:39:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:37,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:37,966 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:37,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 18:39:37,967 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:37,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:37,967 INFO L85 PathProgramCache]: Analyzing trace with hash 495487044, now seen corresponding path program 1 times [2024-11-16 18:39:37,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:37,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517278897] [2024-11-16 18:39:37,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:37,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:38,874 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:38,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:38,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517278897] [2024-11-16 18:39:38,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517278897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:38,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:38,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 18:39:38,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557276468] [2024-11-16 18:39:38,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:38,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 18:39:38,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:38,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 18:39:38,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:39:38,880 INFO L87 Difference]: Start difference. First operand 1280 states and 1665 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:39,461 INFO L93 Difference]: Finished difference Result 3105 states and 4023 transitions. [2024-11-16 18:39:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:39:39,462 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:39,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:39,471 INFO L225 Difference]: With dead ends: 3105 [2024-11-16 18:39:39,471 INFO L226 Difference]: Without dead ends: 1828 [2024-11-16 18:39:39,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:39:39,478 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 193 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:39,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1402 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:39:39,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2024-11-16 18:39:39,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1660. [2024-11-16 18:39:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1511 states have (on average 1.2614162806088682) internal successors, (1906), 1521 states have internal predecessors, (1906), 120 states have call successors, (120), 28 states have call predecessors, (120), 28 states have return successors, (120), 110 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-16 18:39:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2146 transitions. [2024-11-16 18:39:39,668 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2146 transitions. Word has length 162 [2024-11-16 18:39:39,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:39,669 INFO L471 AbstractCegarLoop]: Abstraction has 1660 states and 2146 transitions. [2024-11-16 18:39:39,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2146 transitions. [2024-11-16 18:39:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:39,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:39,673 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:39,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 18:39:39,673 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:39,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:39,674 INFO L85 PathProgramCache]: Analyzing trace with hash 624569763, now seen corresponding path program 1 times [2024-11-16 18:39:39,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:39,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391541293] [2024-11-16 18:39:39,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:39,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:39,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:39,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:39,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391541293] [2024-11-16 18:39:39,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391541293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:39,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:39,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:39,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430703747] [2024-11-16 18:39:39,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:39,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:39,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:39,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:39,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:39,968 INFO L87 Difference]: Start difference. First operand 1660 states and 2146 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:40,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:40,216 INFO L93 Difference]: Finished difference Result 4144 states and 5320 transitions. [2024-11-16 18:39:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:39:40,217 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:40,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:40,227 INFO L225 Difference]: With dead ends: 4144 [2024-11-16 18:39:40,227 INFO L226 Difference]: Without dead ends: 2487 [2024-11-16 18:39:40,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:40,232 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 100 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:40,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 615 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-16 18:39:40,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2482. [2024-11-16 18:39:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2259 states have (on average 1.2430278884462151) internal successors, (2808), 2275 states have internal predecessors, (2808), 178 states have call successors, (178), 44 states have call predecessors, (178), 44 states have return successors, (178), 162 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-16 18:39:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 3164 transitions. [2024-11-16 18:39:40,475 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 3164 transitions. Word has length 162 [2024-11-16 18:39:40,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:40,475 INFO L471 AbstractCegarLoop]: Abstraction has 2482 states and 3164 transitions. [2024-11-16 18:39:40,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 3164 transitions. [2024-11-16 18:39:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:40,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:40,480 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:40,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 18:39:40,481 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:40,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:40,481 INFO L85 PathProgramCache]: Analyzing trace with hash 369833218, now seen corresponding path program 1 times [2024-11-16 18:39:40,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:40,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315445790] [2024-11-16 18:39:40,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:40,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:40,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:40,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315445790] [2024-11-16 18:39:40,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315445790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:40,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:40,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:40,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498361593] [2024-11-16 18:39:40,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:40,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:40,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:40,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:40,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:40,708 INFO L87 Difference]: Start difference. First operand 2482 states and 3164 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:40,971 INFO L93 Difference]: Finished difference Result 5016 states and 6446 transitions. [2024-11-16 18:39:40,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:40,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:40,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:40,982 INFO L225 Difference]: With dead ends: 5016 [2024-11-16 18:39:40,983 INFO L226 Difference]: Without dead ends: 2537 [2024-11-16 18:39:40,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:40,987 INFO L432 NwaCegarLoop]: 295 mSDtfsCounter, 143 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:40,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1016 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:40,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2024-11-16 18:39:41,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2384. [2024-11-16 18:39:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2147 states have (on average 1.2403353516534699) internal successors, (2663), 2163 states have internal predecessors, (2663), 190 states have call successors, (190), 46 states have call predecessors, (190), 46 states have return successors, (190), 174 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-16 18:39:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 3043 transitions. [2024-11-16 18:39:41,237 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 3043 transitions. Word has length 162 [2024-11-16 18:39:41,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:41,238 INFO L471 AbstractCegarLoop]: Abstraction has 2384 states and 3043 transitions. [2024-11-16 18:39:41,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 3043 transitions. [2024-11-16 18:39:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:41,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:41,243 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:41,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 18:39:41,243 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:41,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:41,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1554310340, now seen corresponding path program 1 times [2024-11-16 18:39:41,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:41,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794728550] [2024-11-16 18:39:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:41,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:42,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:42,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794728550] [2024-11-16 18:39:42,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794728550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:42,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:42,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 18:39:42,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196094587] [2024-11-16 18:39:42,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:42,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 18:39:42,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:42,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 18:39:42,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:39:42,085 INFO L87 Difference]: Start difference. First operand 2384 states and 3043 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:42,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:42,778 INFO L93 Difference]: Finished difference Result 5047 states and 6435 transitions. [2024-11-16 18:39:42,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:39:42,781 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:42,793 INFO L225 Difference]: With dead ends: 5047 [2024-11-16 18:39:42,793 INFO L226 Difference]: Without dead ends: 2666 [2024-11-16 18:39:42,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:39:42,800 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 259 mSDsluCounter, 1611 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 1839 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:42,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 1839 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:39:42,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2024-11-16 18:39:42,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2184. [2024-11-16 18:39:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2184 states, 2027 states have (on average 1.2446965959546128) internal successors, (2523), 2037 states have internal predecessors, (2523), 124 states have call successors, (124), 32 states have call predecessors, (124), 32 states have return successors, (124), 114 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-16 18:39:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 2771 transitions. [2024-11-16 18:39:42,998 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 2771 transitions. Word has length 162 [2024-11-16 18:39:42,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:42,999 INFO L471 AbstractCegarLoop]: Abstraction has 2184 states and 2771 transitions. [2024-11-16 18:39:42,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2771 transitions. [2024-11-16 18:39:43,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:43,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:43,004 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:43,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 18:39:43,004 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:43,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:43,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1425227621, now seen corresponding path program 1 times [2024-11-16 18:39:43,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:43,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813874012] [2024-11-16 18:39:43,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:43,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:43,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:43,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813874012] [2024-11-16 18:39:43,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813874012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:43,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:43,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:43,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398379333] [2024-11-16 18:39:43,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:43,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:43,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:43,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:43,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:43,273 INFO L87 Difference]: Start difference. First operand 2184 states and 2771 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:43,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:43,509 INFO L93 Difference]: Finished difference Result 5180 states and 6567 transitions. [2024-11-16 18:39:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:39:43,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:43,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:43,523 INFO L225 Difference]: With dead ends: 5180 [2024-11-16 18:39:43,523 INFO L226 Difference]: Without dead ends: 2999 [2024-11-16 18:39:43,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:43,529 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 90 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:43,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 750 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:43,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2024-11-16 18:39:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2994. [2024-11-16 18:39:43,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2994 states, 2773 states have (on average 1.2398124774612334) internal successors, (3438), 2789 states have internal predecessors, (3438), 174 states have call successors, (174), 46 states have call predecessors, (174), 46 states have return successors, (174), 158 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-16 18:39:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3786 transitions. [2024-11-16 18:39:43,784 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3786 transitions. Word has length 162 [2024-11-16 18:39:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:43,785 INFO L471 AbstractCegarLoop]: Abstraction has 2994 states and 3786 transitions. [2024-11-16 18:39:43,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3786 transitions. [2024-11-16 18:39:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:43,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:43,791 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:43,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 18:39:43,791 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:43,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -809462336, now seen corresponding path program 1 times [2024-11-16 18:39:43,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:43,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90281872] [2024-11-16 18:39:43,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:43,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:43,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:44,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:44,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90281872] [2024-11-16 18:39:44,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90281872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:44,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:44,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:44,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98460673] [2024-11-16 18:39:44,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:44,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:44,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:44,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:44,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:44,008 INFO L87 Difference]: Start difference. First operand 2994 states and 3786 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:44,260 INFO L93 Difference]: Finished difference Result 6087 states and 7700 transitions. [2024-11-16 18:39:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:39:44,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:44,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:44,274 INFO L225 Difference]: With dead ends: 6087 [2024-11-16 18:39:44,274 INFO L226 Difference]: Without dead ends: 3096 [2024-11-16 18:39:44,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:39:44,281 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 51 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:44,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 687 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:44,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2024-11-16 18:39:44,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2982. [2024-11-16 18:39:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2761 states have (on average 1.2321622600507063) internal successors, (3402), 2777 states have internal predecessors, (3402), 174 states have call successors, (174), 46 states have call predecessors, (174), 46 states have return successors, (174), 158 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-16 18:39:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3750 transitions. [2024-11-16 18:39:44,569 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3750 transitions. Word has length 162 [2024-11-16 18:39:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:44,569 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 3750 transitions. [2024-11-16 18:39:44,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:44,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3750 transitions. [2024-11-16 18:39:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:44,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:44,575 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:44,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 18:39:44,576 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:44,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:44,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1679964166, now seen corresponding path program 1 times [2024-11-16 18:39:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:44,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889718565] [2024-11-16 18:39:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:44,810 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:44,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:44,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889718565] [2024-11-16 18:39:44,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889718565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:44,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:44,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:39:44,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685410245] [2024-11-16 18:39:44,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:44,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:39:44,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:44,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:39:44,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:44,814 INFO L87 Difference]: Start difference. First operand 2982 states and 3750 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:45,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:45,140 INFO L93 Difference]: Finished difference Result 6296 states and 7974 transitions. [2024-11-16 18:39:45,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:39:45,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:45,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:45,155 INFO L225 Difference]: With dead ends: 6296 [2024-11-16 18:39:45,156 INFO L226 Difference]: Without dead ends: 3317 [2024-11-16 18:39:45,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:45,162 INFO L432 NwaCegarLoop]: 294 mSDtfsCounter, 143 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:45,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 1012 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:39:45,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2024-11-16 18:39:45,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2852. [2024-11-16 18:39:45,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2631 states have (on average 1.2310908399847966) internal successors, (3239), 2647 states have internal predecessors, (3239), 174 states have call successors, (174), 46 states have call predecessors, (174), 46 states have return successors, (174), 158 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-16 18:39:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3587 transitions. [2024-11-16 18:39:45,619 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3587 transitions. Word has length 162 [2024-11-16 18:39:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:45,620 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 3587 transitions. [2024-11-16 18:39:45,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3587 transitions. [2024-11-16 18:39:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:45,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:45,626 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:45,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 18:39:45,626 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:45,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:45,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1771513803, now seen corresponding path program 1 times [2024-11-16 18:39:45,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:45,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152966030] [2024-11-16 18:39:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:45,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:45,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:45,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:45,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152966030] [2024-11-16 18:39:45,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152966030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:45,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:45,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:39:45,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615305464] [2024-11-16 18:39:45,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:45,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:39:45,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:45,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:39:45,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:39:45,830 INFO L87 Difference]: Start difference. First operand 2852 states and 3587 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:46,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:46,186 INFO L93 Difference]: Finished difference Result 8061 states and 10137 transitions. [2024-11-16 18:39:46,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:39:46,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:46,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:46,207 INFO L225 Difference]: With dead ends: 8061 [2024-11-16 18:39:46,207 INFO L226 Difference]: Without dead ends: 5212 [2024-11-16 18:39:46,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:39:46,216 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 132 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:46,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 441 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:39:46,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2024-11-16 18:39:46,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 4091. [2024-11-16 18:39:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4091 states, 3844 states have (on average 1.2421956295525494) internal successors, (4775), 3860 states have internal predecessors, (4775), 194 states have call successors, (194), 52 states have call predecessors, (194), 52 states have return successors, (194), 178 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-16 18:39:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 4091 states and 5163 transitions. [2024-11-16 18:39:46,517 INFO L78 Accepts]: Start accepts. Automaton has 4091 states and 5163 transitions. Word has length 162 [2024-11-16 18:39:46,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:46,518 INFO L471 AbstractCegarLoop]: Abstraction has 4091 states and 5163 transitions. [2024-11-16 18:39:46,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4091 states and 5163 transitions. [2024-11-16 18:39:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:39:46,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:46,524 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:46,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 18:39:46,524 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:46,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:46,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1420713866, now seen corresponding path program 1 times [2024-11-16 18:39:46,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:46,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794496039] [2024-11-16 18:39:46,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:46,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:46,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:46,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794496039] [2024-11-16 18:39:46,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794496039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:46,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:46,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:39:46,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551604743] [2024-11-16 18:39:46,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:46,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:39:46,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:46,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:39:46,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:39:46,952 INFO L87 Difference]: Start difference. First operand 4091 states and 5163 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:47,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:39:47,849 INFO L93 Difference]: Finished difference Result 8229 states and 10346 transitions. [2024-11-16 18:39:47,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:39:47,850 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-16 18:39:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:39:47,863 INFO L225 Difference]: With dead ends: 8229 [2024-11-16 18:39:47,863 INFO L226 Difference]: Without dead ends: 5380 [2024-11-16 18:39:47,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:39:47,869 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 467 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:39:47,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1026 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:39:47,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5380 states. [2024-11-16 18:39:48,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5380 to 4315. [2024-11-16 18:39:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4315 states, 4068 states have (on average 1.234267453294002) internal successors, (5021), 4084 states have internal predecessors, (5021), 194 states have call successors, (194), 52 states have call predecessors, (194), 52 states have return successors, (194), 178 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-16 18:39:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 5409 transitions. [2024-11-16 18:39:48,161 INFO L78 Accepts]: Start accepts. Automaton has 4315 states and 5409 transitions. Word has length 162 [2024-11-16 18:39:48,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:39:48,165 INFO L471 AbstractCegarLoop]: Abstraction has 4315 states and 5409 transitions. [2024-11-16 18:39:48,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:39:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4315 states and 5409 transitions. [2024-11-16 18:39:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-16 18:39:48,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:39:48,171 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:39:48,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 18:39:48,171 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:39:48,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:39:48,172 INFO L85 PathProgramCache]: Analyzing trace with hash 316835598, now seen corresponding path program 1 times [2024-11-16 18:39:48,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:39:48,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505350659] [2024-11-16 18:39:48,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:39:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:39:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:39:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:39:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:39:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:39:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:39:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:39:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:39:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:39:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:39:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:39:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:39:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:39:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:39:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:39:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:39:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:39:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:39:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:39:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:39:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:39:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:39:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:39:48,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:39:48,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505350659] [2024-11-16 18:39:48,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505350659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:39:48,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:39:48,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 18:39:48,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268296127] [2024-11-16 18:39:48,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:39:48,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 18:39:48,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:39:48,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 18:39:48,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:39:48,827 INFO L87 Difference]: Start difference. First operand 4315 states and 5409 transitions. Second operand has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-16 18:40:01,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 18:40:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:01,798 INFO L93 Difference]: Finished difference Result 8560 states and 10717 transitions. [2024-11-16 18:40:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 18:40:01,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 163 [2024-11-16 18:40:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:01,816 INFO L225 Difference]: With dead ends: 8560 [2024-11-16 18:40:01,817 INFO L226 Difference]: Without dead ends: 5457 [2024-11-16 18:40:01,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=64, Invalid=206, Unknown=2, NotChecked=0, Total=272 [2024-11-16 18:40:01,825 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 596 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 33 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:01,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1062 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 412 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2024-11-16 18:40:01,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2024-11-16 18:40:02,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 3797. [2024-11-16 18:40:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3797 states, 3550 states have (on average 1.216619718309859) internal successors, (4319), 3566 states have internal predecessors, (4319), 194 states have call successors, (194), 52 states have call predecessors, (194), 52 states have return successors, (194), 178 states have call predecessors, (194), 194 states have call successors, (194) [2024-11-16 18:40:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4707 transitions. [2024-11-16 18:40:02,220 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4707 transitions. Word has length 163 [2024-11-16 18:40:02,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:02,224 INFO L471 AbstractCegarLoop]: Abstraction has 3797 states and 4707 transitions. [2024-11-16 18:40:02,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.333333333333333) internal successors, (66), 10 states have internal predecessors, (66), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-16 18:40:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4707 transitions. [2024-11-16 18:40:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:02,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:02,230 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:02,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 18:40:02,231 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:02,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:02,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1153891486, now seen corresponding path program 1 times [2024-11-16 18:40:02,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:02,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790314372] [2024-11-16 18:40:02,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:02,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:02,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:02,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790314372] [2024-11-16 18:40:02,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790314372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:02,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:02,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:40:02,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218917362] [2024-11-16 18:40:02,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:02,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:40:02,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:02,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:40:02,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:40:02,749 INFO L87 Difference]: Start difference. First operand 3797 states and 4707 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:03,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:03,368 INFO L93 Difference]: Finished difference Result 7745 states and 9645 transitions. [2024-11-16 18:40:03,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:40:03,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-16 18:40:03,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:03,384 INFO L225 Difference]: With dead ends: 7745 [2024-11-16 18:40:03,386 INFO L226 Difference]: Without dead ends: 4358 [2024-11-16 18:40:03,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:40:03,398 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 287 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:03,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 833 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:40:03,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2024-11-16 18:40:03,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 3955. [2024-11-16 18:40:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3955 states, 3662 states have (on average 1.1665756417258328) internal successors, (4272), 3681 states have internal predecessors, (4272), 230 states have call successors, (230), 62 states have call predecessors, (230), 62 states have return successors, (230), 211 states have call predecessors, (230), 230 states have call successors, (230) [2024-11-16 18:40:03,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 4732 transitions. [2024-11-16 18:40:03,755 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 4732 transitions. Word has length 164 [2024-11-16 18:40:03,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:03,756 INFO L471 AbstractCegarLoop]: Abstraction has 3955 states and 4732 transitions. [2024-11-16 18:40:03,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4732 transitions. [2024-11-16 18:40:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:03,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:03,761 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:03,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 18:40:03,761 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:03,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:03,762 INFO L85 PathProgramCache]: Analyzing trace with hash -793866842, now seen corresponding path program 1 times [2024-11-16 18:40:03,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:03,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85739748] [2024-11-16 18:40:03,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:04,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:04,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85739748] [2024-11-16 18:40:04,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85739748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:04,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:04,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 18:40:04,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683707156] [2024-11-16 18:40:04,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:04,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 18:40:04,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 18:40:04,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:40:04,809 INFO L87 Difference]: Start difference. First operand 3955 states and 4732 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:05,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:05,924 INFO L93 Difference]: Finished difference Result 11715 states and 14038 transitions. [2024-11-16 18:40:05,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 18:40:05,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-16 18:40:05,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:05,947 INFO L225 Difference]: With dead ends: 11715 [2024-11-16 18:40:05,948 INFO L226 Difference]: Without dead ends: 8314 [2024-11-16 18:40:05,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2024-11-16 18:40:05,957 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 585 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:05,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1412 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:40:05,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8314 states. [2024-11-16 18:40:06,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8314 to 5089. [2024-11-16 18:40:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5089 states, 4594 states have (on average 1.1597736177622986) internal successors, (5328), 4625 states have internal predecessors, (5328), 390 states have call successors, (390), 104 states have call predecessors, (390), 104 states have return successors, (390), 359 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-16 18:40:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 6108 transitions. [2024-11-16 18:40:06,477 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 6108 transitions. Word has length 164 [2024-11-16 18:40:06,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:06,478 INFO L471 AbstractCegarLoop]: Abstraction has 5089 states and 6108 transitions. [2024-11-16 18:40:06,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 6108 transitions. [2024-11-16 18:40:06,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:06,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:06,484 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:06,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 18:40:06,485 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:06,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:06,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1693645991, now seen corresponding path program 1 times [2024-11-16 18:40:06,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:06,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055202039] [2024-11-16 18:40:06,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:06,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:06,734 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:06,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:06,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055202039] [2024-11-16 18:40:06,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055202039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:06,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:06,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:40:06,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546631161] [2024-11-16 18:40:06,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:06,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:40:06,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:40:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:40:06,737 INFO L87 Difference]: Start difference. First operand 5089 states and 6108 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:07,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:07,291 INFO L93 Difference]: Finished difference Result 12610 states and 14980 transitions. [2024-11-16 18:40:07,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:40:07,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-16 18:40:07,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:07,313 INFO L225 Difference]: With dead ends: 12610 [2024-11-16 18:40:07,313 INFO L226 Difference]: Without dead ends: 8075 [2024-11-16 18:40:07,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:40:07,324 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 55 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:07,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 690 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:40:07,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8075 states. [2024-11-16 18:40:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8075 to 7610. [2024-11-16 18:40:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7610 states, 7115 states have (on average 1.1436401967673928) internal successors, (8137), 7146 states have internal predecessors, (8137), 390 states have call successors, (390), 104 states have call predecessors, (390), 104 states have return successors, (390), 359 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-16 18:40:07,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7610 states to 7610 states and 8917 transitions. [2024-11-16 18:40:07,827 INFO L78 Accepts]: Start accepts. Automaton has 7610 states and 8917 transitions. Word has length 164 [2024-11-16 18:40:07,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:07,827 INFO L471 AbstractCegarLoop]: Abstraction has 7610 states and 8917 transitions. [2024-11-16 18:40:07,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 7610 states and 8917 transitions. [2024-11-16 18:40:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:07,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:07,838 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:07,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 18:40:07,838 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:07,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:07,839 INFO L85 PathProgramCache]: Analyzing trace with hash 167747175, now seen corresponding path program 1 times [2024-11-16 18:40:07,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:07,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685401158] [2024-11-16 18:40:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:07,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:08,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:08,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685401158] [2024-11-16 18:40:08,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685401158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:08,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:08,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:40:08,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325277839] [2024-11-16 18:40:08,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:08,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:40:08,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:08,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:40:08,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:40:08,057 INFO L87 Difference]: Start difference. First operand 7610 states and 8917 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:08,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:08,907 INFO L93 Difference]: Finished difference Result 13611 states and 15964 transitions. [2024-11-16 18:40:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:40:08,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-16 18:40:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:08,927 INFO L225 Difference]: With dead ends: 13611 [2024-11-16 18:40:08,927 INFO L226 Difference]: Without dead ends: 8075 [2024-11-16 18:40:08,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:40:08,939 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 53 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:08,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 882 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:40:08,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8075 states. [2024-11-16 18:40:09,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8075 to 7610. [2024-11-16 18:40:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7610 states, 7115 states have (on average 1.1406886858749121) internal successors, (8116), 7146 states have internal predecessors, (8116), 390 states have call successors, (390), 104 states have call predecessors, (390), 104 states have return successors, (390), 359 states have call predecessors, (390), 390 states have call successors, (390) [2024-11-16 18:40:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7610 states to 7610 states and 8896 transitions. [2024-11-16 18:40:09,430 INFO L78 Accepts]: Start accepts. Automaton has 7610 states and 8896 transitions. Word has length 164 [2024-11-16 18:40:09,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:09,431 INFO L471 AbstractCegarLoop]: Abstraction has 7610 states and 8896 transitions. [2024-11-16 18:40:09,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7610 states and 8896 transitions. [2024-11-16 18:40:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:09,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:09,442 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:09,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 18:40:09,442 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:09,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:09,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1639707288, now seen corresponding path program 1 times [2024-11-16 18:40:09,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:09,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326683680] [2024-11-16 18:40:09,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:09,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:10,138 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:10,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:10,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326683680] [2024-11-16 18:40:10,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326683680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:10,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:10,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:40:10,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99427214] [2024-11-16 18:40:10,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:10,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:40:10,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:10,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:40:10,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:40:10,141 INFO L87 Difference]: Start difference. First operand 7610 states and 8896 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:11,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:11,401 INFO L93 Difference]: Finished difference Result 14100 states and 16560 transitions. [2024-11-16 18:40:11,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 18:40:11,402 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-16 18:40:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:11,425 INFO L225 Difference]: With dead ends: 14100 [2024-11-16 18:40:11,425 INFO L226 Difference]: Without dead ends: 8564 [2024-11-16 18:40:11,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:40:11,434 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 104 mSDsluCounter, 1517 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:11,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1777 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:40:11,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8564 states. [2024-11-16 18:40:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8564 to 8559. [2024-11-16 18:40:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8559 states, 7802 states have (on average 1.1389387336580363) internal successors, (8886), 7854 states have internal predecessors, (8886), 596 states have call successors, (596), 160 states have call predecessors, (596), 160 states have return successors, (596), 544 states have call predecessors, (596), 596 states have call successors, (596) [2024-11-16 18:40:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8559 states to 8559 states and 10078 transitions. [2024-11-16 18:40:12,283 INFO L78 Accepts]: Start accepts. Automaton has 8559 states and 10078 transitions. Word has length 164 [2024-11-16 18:40:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:12,283 INFO L471 AbstractCegarLoop]: Abstraction has 8559 states and 10078 transitions. [2024-11-16 18:40:12,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8559 states and 10078 transitions. [2024-11-16 18:40:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:12,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:12,291 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:12,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 18:40:12,291 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:12,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:12,292 INFO L85 PathProgramCache]: Analyzing trace with hash 48560151, now seen corresponding path program 1 times [2024-11-16 18:40:12,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:12,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309322070] [2024-11-16 18:40:12,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:12,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:13,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:13,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:13,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:13,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309322070] [2024-11-16 18:40:13,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309322070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:13,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:13,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 18:40:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938516447] [2024-11-16 18:40:13,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:13,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 18:40:13,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:13,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 18:40:13,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:40:13,012 INFO L87 Difference]: Start difference. First operand 8559 states and 10078 transitions. Second operand has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-16 18:40:14,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:14,420 INFO L93 Difference]: Finished difference Result 15032 states and 17699 transitions. [2024-11-16 18:40:14,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:40:14,421 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 164 [2024-11-16 18:40:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:14,445 INFO L225 Difference]: With dead ends: 15032 [2024-11-16 18:40:14,445 INFO L226 Difference]: Without dead ends: 8547 [2024-11-16 18:40:14,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2024-11-16 18:40:14,456 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 297 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:14,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 963 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:40:14,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8547 states. [2024-11-16 18:40:15,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8547 to 7971. [2024-11-16 18:40:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7971 states, 7214 states have (on average 1.1358469642362075) internal successors, (8194), 7266 states have internal predecessors, (8194), 596 states have call successors, (596), 160 states have call predecessors, (596), 160 states have return successors, (596), 544 states have call predecessors, (596), 596 states have call successors, (596) [2024-11-16 18:40:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7971 states to 7971 states and 9386 transitions. [2024-11-16 18:40:15,261 INFO L78 Accepts]: Start accepts. Automaton has 7971 states and 9386 transitions. Word has length 164 [2024-11-16 18:40:15,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:15,261 INFO L471 AbstractCegarLoop]: Abstraction has 7971 states and 9386 transitions. [2024-11-16 18:40:15,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.090909090909091) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-16 18:40:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 7971 states and 9386 transitions. [2024-11-16 18:40:15,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-16 18:40:15,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:15,270 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:15,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 18:40:15,270 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:15,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:15,271 INFO L85 PathProgramCache]: Analyzing trace with hash -872925306, now seen corresponding path program 1 times [2024-11-16 18:40:15,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:15,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601800666] [2024-11-16 18:40:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:16,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:16,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601800666] [2024-11-16 18:40:16,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601800666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:16,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:16,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 18:40:16,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133281583] [2024-11-16 18:40:16,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:16,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 18:40:16,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:16,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 18:40:16,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:40:16,398 INFO L87 Difference]: Start difference. First operand 7971 states and 9386 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-16 18:40:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:17,720 INFO L93 Difference]: Finished difference Result 13907 states and 16389 transitions. [2024-11-16 18:40:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:40:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 164 [2024-11-16 18:40:17,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:17,748 INFO L225 Difference]: With dead ends: 13907 [2024-11-16 18:40:17,749 INFO L226 Difference]: Without dead ends: 8010 [2024-11-16 18:40:17,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-16 18:40:17,759 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 670 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:17,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1049 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:40:17,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8010 states. [2024-11-16 18:40:18,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8010 to 6891. [2024-11-16 18:40:18,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6891 states, 6336 states have (on average 1.1371527777777777) internal successors, (7205), 6376 states have internal predecessors, (7205), 436 states have call successors, (436), 118 states have call predecessors, (436), 118 states have return successors, (436), 396 states have call predecessors, (436), 436 states have call successors, (436) [2024-11-16 18:40:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6891 states to 6891 states and 8077 transitions. [2024-11-16 18:40:18,486 INFO L78 Accepts]: Start accepts. Automaton has 6891 states and 8077 transitions. Word has length 164 [2024-11-16 18:40:18,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:18,487 INFO L471 AbstractCegarLoop]: Abstraction has 6891 states and 8077 transitions. [2024-11-16 18:40:18,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 3 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-16 18:40:18,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6891 states and 8077 transitions. [2024-11-16 18:40:18,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 18:40:18,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:18,495 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:18,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-16 18:40:18,496 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:18,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:18,496 INFO L85 PathProgramCache]: Analyzing trace with hash 265605632, now seen corresponding path program 1 times [2024-11-16 18:40:18,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:18,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480529194] [2024-11-16 18:40:18,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:18,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:19,304 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:19,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:19,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480529194] [2024-11-16 18:40:19,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480529194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:19,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:19,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 18:40:19,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829775430] [2024-11-16 18:40:19,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:19,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 18:40:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:19,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 18:40:19,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:40:19,306 INFO L87 Difference]: Start difference. First operand 6891 states and 8077 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:20,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:20,404 INFO L93 Difference]: Finished difference Result 13102 states and 15395 transitions. [2024-11-16 18:40:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 18:40:20,404 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2024-11-16 18:40:20,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:20,426 INFO L225 Difference]: With dead ends: 13102 [2024-11-16 18:40:20,426 INFO L226 Difference]: Without dead ends: 7169 [2024-11-16 18:40:20,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2024-11-16 18:40:20,434 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 207 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1550 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:20,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1550 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:40:20,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7169 states. [2024-11-16 18:40:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7169 to 6639. [2024-11-16 18:40:21,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6639 states, 6084 states have (on average 1.1352728468113082) internal successors, (6907), 6124 states have internal predecessors, (6907), 436 states have call successors, (436), 118 states have call predecessors, (436), 118 states have return successors, (436), 396 states have call predecessors, (436), 436 states have call successors, (436) [2024-11-16 18:40:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6639 states to 6639 states and 7779 transitions. [2024-11-16 18:40:21,289 INFO L78 Accepts]: Start accepts. Automaton has 6639 states and 7779 transitions. Word has length 166 [2024-11-16 18:40:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:21,289 INFO L471 AbstractCegarLoop]: Abstraction has 6639 states and 7779 transitions. [2024-11-16 18:40:21,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 6639 states and 7779 transitions. [2024-11-16 18:40:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 18:40:21,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:21,295 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:21,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-16 18:40:21,295 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:21,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:21,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1004613868, now seen corresponding path program 1 times [2024-11-16 18:40:21,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:21,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632000283] [2024-11-16 18:40:21,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:21,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:21,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632000283] [2024-11-16 18:40:21,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632000283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:21,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:21,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:40:21,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980040438] [2024-11-16 18:40:21,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:21,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:40:21,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:21,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:40:21,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:40:21,534 INFO L87 Difference]: Start difference. First operand 6639 states and 7779 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:22,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:22,048 INFO L93 Difference]: Finished difference Result 6810 states and 7991 transitions. [2024-11-16 18:40:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:40:22,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2024-11-16 18:40:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:22,064 INFO L225 Difference]: With dead ends: 6810 [2024-11-16 18:40:22,064 INFO L226 Difference]: Without dead ends: 6807 [2024-11-16 18:40:22,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:40:22,069 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:22,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 740 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:40:22,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2024-11-16 18:40:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 6807. [2024-11-16 18:40:22,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6807 states, 6252 states have (on average 1.1316378758797185) internal successors, (7075), 6292 states have internal predecessors, (7075), 436 states have call successors, (436), 118 states have call predecessors, (436), 118 states have return successors, (436), 396 states have call predecessors, (436), 436 states have call successors, (436) [2024-11-16 18:40:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6807 states to 6807 states and 7947 transitions. [2024-11-16 18:40:22,788 INFO L78 Accepts]: Start accepts. Automaton has 6807 states and 7947 transitions. Word has length 166 [2024-11-16 18:40:22,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:22,789 INFO L471 AbstractCegarLoop]: Abstraction has 6807 states and 7947 transitions. [2024-11-16 18:40:22,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 6807 states and 7947 transitions. [2024-11-16 18:40:22,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 18:40:22,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:22,796 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:22,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-16 18:40:22,796 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:22,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1744498209, now seen corresponding path program 1 times [2024-11-16 18:40:22,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673207665] [2024-11-16 18:40:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:22,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:40:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:40:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:40:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:40:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:40:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:40:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:40:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:40:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:40:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:40:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 18:40:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:40:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:40:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:40:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:40:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:40:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:40:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:40:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:40:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:40:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:40:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-16 18:40:23,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:40:23,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673207665] [2024-11-16 18:40:23,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673207665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:40:23,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:40:23,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:40:23,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144513194] [2024-11-16 18:40:23,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:40:23,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:40:23,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:40:23,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:40:23,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:40:23,061 INFO L87 Difference]: Start difference. First operand 6807 states and 7947 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:23,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:40:23,830 INFO L93 Difference]: Finished difference Result 13335 states and 15623 transitions. [2024-11-16 18:40:23,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:40:23,830 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 166 [2024-11-16 18:40:23,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:40:23,844 INFO L225 Difference]: With dead ends: 13335 [2024-11-16 18:40:23,844 INFO L226 Difference]: Without dead ends: 7450 [2024-11-16 18:40:23,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:40:23,851 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 149 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:40:23,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 636 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:40:23,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7450 states. [2024-11-16 18:40:24,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7450 to 6867. [2024-11-16 18:40:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6867 states, 6312 states have (on average 1.1322877059569074) internal successors, (7147), 6352 states have internal predecessors, (7147), 436 states have call successors, (436), 118 states have call predecessors, (436), 118 states have return successors, (436), 396 states have call predecessors, (436), 436 states have call successors, (436) [2024-11-16 18:40:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6867 states to 6867 states and 8019 transitions. [2024-11-16 18:40:24,423 INFO L78 Accepts]: Start accepts. Automaton has 6867 states and 8019 transitions. Word has length 166 [2024-11-16 18:40:24,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:40:24,423 INFO L471 AbstractCegarLoop]: Abstraction has 6867 states and 8019 transitions. [2024-11-16 18:40:24,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-16 18:40:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 6867 states and 8019 transitions. [2024-11-16 18:40:24,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 18:40:24,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:40:24,429 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:40:24,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-16 18:40:24,429 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:40:24,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:40:24,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1615415490, now seen corresponding path program 1 times [2024-11-16 18:40:24,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:40:24,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365093162] [2024-11-16 18:40:24,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:40:24,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:40:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat