./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 023d838f 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-023d838-m [2024-11-10 09:42:05,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:42:05,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:42:05,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:42:05,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:42:05,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:42:05,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:42:05,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:42:05,724 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:42:05,725 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:42:05,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:42:05,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:42:05,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:42:05,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:42:05,727 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:42:05,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:42:05,728 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:42:05,728 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:42:05,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:42:05,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:42:05,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:42:05,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:42:05,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:42:05,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:42:05,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:42:05,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:42:05,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:42:05,735 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:42:05,735 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:42:05,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:42:05,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:42:05,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:42:05,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:42:05,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:42:05,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:42:05,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:42:05,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:42:05,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:42:05,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:42:05,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:42:05,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:42:05,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:42:05,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c6e745fb3369f6d50167657c14f10731407b128ae2baded15d3743683fdbf24 [2024-11-10 09:42:05,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:42:06,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:42:06,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:42:06,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:42:06,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:42:06,027 INFO L431 ainManager$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 [2024-11-10 09:42:07,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:42:07,677 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:42:07,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-90.i [2024-11-10 09:42:07,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e710511a/abda02e06df74b87983e19c1e905908c/FLAG0456fe82e [2024-11-10 09:42:08,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e710511a/abda02e06df74b87983e19c1e905908c [2024-11-10 09:42:08,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:42:08,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:42:08,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:42:08,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:42:08,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:42:08,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e7d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08, skipping insertion in model container [2024-11-10 09:42:08,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:42:08,254 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] [2024-11-10 09:42:08,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:42:08,318 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:42:08,329 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] [2024-11-10 09:42:08,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:42:08,390 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:42:08,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08 WrapperNode [2024-11-10 09:42:08,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:42:08,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:42:08,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:42:08,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:42:08,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,457 INFO L138 Inliner]: procedures = 26, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 505 [2024-11-10 09:42:08,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:42:08,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:42:08,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:42:08,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:42:08,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,508 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]. [2024-11-10 09:42:08,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,528 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:42:08,594 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:42:08,594 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:42:08,594 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:42:08,602 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (1/1) ... [2024-11-10 09:42:08,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:42:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:42:08,657 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) [2024-11-10 09:42:08,659 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 [2024-11-10 09:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 09:42:08,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 09:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 09:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 09:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 09:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 09:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 09:42:08,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-10 09:42:08,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 09:42:08,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-10 09:42:08,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:42:08,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 09:42:08,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-10 09:42:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:42:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:42:08,877 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:42:08,879 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:42:09,301 INFO L1247 $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; [2024-11-10 09:42:09,364 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-10 09:42:09,364 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:42:09,384 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:42:09,384 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:42:09,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:09 BoogieIcfgContainer [2024-11-10 09:42:09,385 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:42:09,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:42:09,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:42:09,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:42:09,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:42:08" (1/3) ... [2024-11-10 09:42:09,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539712d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:42:09, skipping insertion in model container [2024-11-10 09:42:09,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:42:08" (2/3) ... [2024-11-10 09:42:09,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539712d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:42:09, skipping insertion in model container [2024-11-10 09:42:09,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:42:09" (3/3) ... [2024-11-10 09:42:09,395 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-90.i [2024-11-10 09:42:09,407 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:42:09,407 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:42:09,460 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:42:09,466 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;@45bfb8b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:42:09,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:42:09,470 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) [2024-11-10 09:42:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:42:09,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:09,486 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] [2024-11-10 09:42:09,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:09,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:09,492 INFO L85 PathProgramCache]: Analyzing trace with hash 544400996, now seen corresponding path program 1 times [2024-11-10 09:42:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:09,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586472617] [2024-11-10 09:42:09,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:09,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:10,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:10,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586472617] [2024-11-10 09:42:10,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586472617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:10,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:10,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:42:10,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26504371] [2024-11-10 09:42:10,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:10,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:42:10,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:10,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:42:10,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:42:10,097 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) [2024-11-10 09:42:10,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:10,141 INFO L93 Difference]: Finished difference Result 220 states and 341 transitions. [2024-11-10 09:42:10,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:42:10,144 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 [2024-11-10 09:42:10,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:10,156 INFO L225 Difference]: With dead ends: 220 [2024-11-10 09:42:10,157 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 09:42:10,162 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 [2024-11-10 09:42:10,166 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 [2024-11-10 09:42:10,169 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] [2024-11-10 09:42:10,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 09:42:10,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-10 09:42:10,220 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) [2024-11-10 09:42:10,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-10 09:42:10,228 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 155 [2024-11-10 09:42:10,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:10,228 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-10 09:42:10,229 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) [2024-11-10 09:42:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-10 09:42:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:42:10,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:10,236 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] [2024-11-10 09:42:10,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:42:10,237 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:10,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:10,238 INFO L85 PathProgramCache]: Analyzing trace with hash -769339400, now seen corresponding path program 1 times [2024-11-10 09:42:10,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:10,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830715782] [2024-11-10 09:42:10,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:10,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:10,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:10,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830715782] [2024-11-10 09:42:10,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830715782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:10,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:10,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:42:10,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666443426] [2024-11-10 09:42:10,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:10,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:42:10,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:10,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:42:10,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:42:10,819 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) [2024-11-10 09:42:10,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:10,873 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2024-11-10 09:42:10,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:42:10,874 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 [2024-11-10 09:42:10,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:10,877 INFO L225 Difference]: With dead ends: 217 [2024-11-10 09:42:10,877 INFO L226 Difference]: Without dead ends: 111 [2024-11-10 09:42:10,878 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 [2024-11-10 09:42:10,879 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 [2024-11-10 09:42:10,880 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] [2024-11-10 09:42:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-10 09:42:10,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-10 09:42:10,898 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) [2024-11-10 09:42:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 158 transitions. [2024-11-10 09:42:10,900 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 158 transitions. Word has length 155 [2024-11-10 09:42:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:10,905 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 158 transitions. [2024-11-10 09:42:10,906 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) [2024-11-10 09:42:10,906 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2024-11-10 09:42:10,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:42:10,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:10,925 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] [2024-11-10 09:42:10,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:42:10,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:10,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:10,926 INFO L85 PathProgramCache]: Analyzing trace with hash 790837146, now seen corresponding path program 1 times [2024-11-10 09:42:10,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:10,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607437666] [2024-11-10 09:42:10,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:11,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:11,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607437666] [2024-11-10 09:42:11,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607437666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:11,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:11,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:11,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194971313] [2024-11-10 09:42:11,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:11,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:11,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:11,708 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) [2024-11-10 09:42:12,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:12,071 INFO L93 Difference]: Finished difference Result 317 states and 453 transitions. [2024-11-10 09:42:12,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:12,074 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 [2024-11-10 09:42:12,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:12,077 INFO L225 Difference]: With dead ends: 317 [2024-11-10 09:42:12,077 INFO L226 Difference]: Without dead ends: 209 [2024-11-10 09:42:12,078 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 [2024-11-10 09:42:12,079 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 [2024-11-10 09:42:12,079 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] [2024-11-10 09:42:12,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-10 09:42:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 113. [2024-11-10 09:42:12,099 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) [2024-11-10 09:42:12,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 160 transitions. [2024-11-10 09:42:12,101 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 160 transitions. Word has length 157 [2024-11-10 09:42:12,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:12,103 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 160 transitions. [2024-11-10 09:42:12,103 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) [2024-11-10 09:42:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 160 transitions. [2024-11-10 09:42:12,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 09:42:12,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:12,109 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] [2024-11-10 09:42:12,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:42:12,110 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:12,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:12,110 INFO L85 PathProgramCache]: Analyzing trace with hash -304802340, now seen corresponding path program 1 times [2024-11-10 09:42:12,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:12,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693327515] [2024-11-10 09:42:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:12,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:13,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:13,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693327515] [2024-11-10 09:42:13,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693327515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:13,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:13,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:42:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103184043] [2024-11-10 09:42:13,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:13,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:42:13,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:13,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:42:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:42:13,526 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) [2024-11-10 09:42:13,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:13,950 INFO L93 Difference]: Finished difference Result 230 states and 324 transitions. [2024-11-10 09:42:13,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:42:13,952 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 [2024-11-10 09:42:13,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:13,954 INFO L225 Difference]: With dead ends: 230 [2024-11-10 09:42:13,956 INFO L226 Difference]: Without dead ends: 120 [2024-11-10 09:42:13,957 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 [2024-11-10 09:42:13,958 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 208 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-10 09:42:13,961 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] [2024-11-10 09:42:13,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-10 09:42:13,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-10 09:42:13,985 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) [2024-11-10 09:42:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 166 transitions. [2024-11-10 09:42:13,988 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 166 transitions. Word has length 158 [2024-11-10 09:42:13,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:13,988 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 166 transitions. [2024-11-10 09:42:13,989 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) [2024-11-10 09:42:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2024-11-10 09:42:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 09:42:13,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:13,994 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] [2024-11-10 09:42:13,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:42:13,994 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:13,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash 276677052, now seen corresponding path program 1 times [2024-11-10 09:42:13,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:13,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097226136] [2024-11-10 09:42:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:13,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:15,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:15,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097226136] [2024-11-10 09:42:15,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097226136] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:15,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:15,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:42:15,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558722239] [2024-11-10 09:42:15,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:15,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:42:15,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:15,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:42:15,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:42:15,585 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) [2024-11-10 09:42:16,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:16,040 INFO L93 Difference]: Finished difference Result 295 states and 405 transitions. [2024-11-10 09:42:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 09:42:16,041 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 [2024-11-10 09:42:16,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:16,043 INFO L225 Difference]: With dead ends: 295 [2024-11-10 09:42:16,043 INFO L226 Difference]: Without dead ends: 178 [2024-11-10 09:42:16,043 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 [2024-11-10 09:42:16,044 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 [2024-11-10 09:42:16,045 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] [2024-11-10 09:42:16,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-10 09:42:16,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172. [2024-11-10 09:42:16,067 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) [2024-11-10 09:42:16,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 236 transitions. [2024-11-10 09:42:16,068 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 236 transitions. Word has length 159 [2024-11-10 09:42:16,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:16,069 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 236 transitions. [2024-11-10 09:42:16,069 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) [2024-11-10 09:42:16,069 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 236 transitions. [2024-11-10 09:42:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 09:42:16,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:16,071 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] [2024-11-10 09:42:16,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:42:16,071 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:16,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1784228861, now seen corresponding path program 1 times [2024-11-10 09:42:16,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:16,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738136068] [2024-11-10 09:42:16,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:16,478 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:16,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:16,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738136068] [2024-11-10 09:42:16,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738136068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:16,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:16,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:16,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366528797] [2024-11-10 09:42:16,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:16,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:16,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:16,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:16,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:16,481 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) [2024-11-10 09:42:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:16,645 INFO L93 Difference]: Finished difference Result 352 states and 479 transitions. [2024-11-10 09:42:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:16,646 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 [2024-11-10 09:42:16,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:16,649 INFO L225 Difference]: With dead ends: 352 [2024-11-10 09:42:16,650 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 09:42:16,651 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 [2024-11-10 09:42:16,652 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 [2024-11-10 09:42:16,653 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] [2024-11-10 09:42:16,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 09:42:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 169. [2024-11-10 09:42:16,680 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) [2024-11-10 09:42:16,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2024-11-10 09:42:16,682 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 159 [2024-11-10 09:42:16,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:16,683 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2024-11-10 09:42:16,683 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) [2024-11-10 09:42:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2024-11-10 09:42:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 09:42:16,685 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:16,685 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] [2024-11-10 09:42:16,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:42:16,686 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:16,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:16,686 INFO L85 PathProgramCache]: Analyzing trace with hash -567794819, now seen corresponding path program 1 times [2024-11-10 09:42:16,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:16,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469860696] [2024-11-10 09:42:16,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:16,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:17,109 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:17,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:17,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469860696] [2024-11-10 09:42:17,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469860696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:17,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:17,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:17,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882465042] [2024-11-10 09:42:17,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:17,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:17,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:17,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:17,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:17,112 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) [2024-11-10 09:42:17,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:17,281 INFO L93 Difference]: Finished difference Result 383 states and 521 transitions. [2024-11-10 09:42:17,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:17,282 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 [2024-11-10 09:42:17,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:17,283 INFO L225 Difference]: With dead ends: 383 [2024-11-10 09:42:17,283 INFO L226 Difference]: Without dead ends: 217 [2024-11-10 09:42:17,284 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 [2024-11-10 09:42:17,285 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 [2024-11-10 09:42:17,285 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] [2024-11-10 09:42:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-10 09:42:17,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 169. [2024-11-10 09:42:17,309 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) [2024-11-10 09:42:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 230 transitions. [2024-11-10 09:42:17,311 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 230 transitions. Word has length 159 [2024-11-10 09:42:17,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:17,311 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 230 transitions. [2024-11-10 09:42:17,312 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) [2024-11-10 09:42:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 230 transitions. [2024-11-10 09:42:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-10 09:42:17,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:17,314 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] [2024-11-10 09:42:17,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:42:17,314 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:17,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:17,315 INFO L85 PathProgramCache]: Analyzing trace with hash 939756990, now seen corresponding path program 1 times [2024-11-10 09:42:17,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:17,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831317176] [2024-11-10 09:42:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 54 proven. 54 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-10 09:42:18,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:18,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831317176] [2024-11-10 09:42:18,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831317176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 09:42:18,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654512079] [2024-11-10 09:42:18,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:18,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 09:42:18,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:42:18,416 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) [2024-11-10 09:42:18,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 09:42:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:18,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 09:42:18,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 09:42:19,040 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 [2024-11-10 09:42:19,084 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 [2024-11-10 09:42:19,166 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 [2024-11-10 09:42:19,224 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 [2024-11-10 09:42:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-11-10 09:42:19,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 09:42:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:19,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654512079] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 09:42:19,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 09:42:19,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 11] total 24 [2024-11-10 09:42:19,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021240818] [2024-11-10 09:42:19,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:19,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 09:42:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:19,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 09:42:19,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=498, Unknown=0, NotChecked=0, Total=552 [2024-11-10 09:42:19,692 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) [2024-11-10 09:42:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:20,058 INFO L93 Difference]: Finished difference Result 397 states and 536 transitions. [2024-11-10 09:42:20,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:42:20,058 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 [2024-11-10 09:42:20,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:20,060 INFO L225 Difference]: With dead ends: 397 [2024-11-10 09:42:20,060 INFO L226 Difference]: Without dead ends: 231 [2024-11-10 09:42:20,061 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 [2024-11-10 09:42:20,062 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 [2024-11-10 09:42:20,062 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] [2024-11-10 09:42:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2024-11-10 09:42:20,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2024-11-10 09:42:20,096 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) [2024-11-10 09:42:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 301 transitions. [2024-11-10 09:42:20,097 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 301 transitions. Word has length 159 [2024-11-10 09:42:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:20,097 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 301 transitions. [2024-11-10 09:42:20,098 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) [2024-11-10 09:42:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 301 transitions. [2024-11-10 09:42:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:42:20,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:20,100 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] [2024-11-10 09:42:20,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 09:42:20,301 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 [2024-11-10 09:42:20,301 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:20,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:20,302 INFO L85 PathProgramCache]: Analyzing trace with hash 251298295, now seen corresponding path program 1 times [2024-11-10 09:42:20,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:20,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928830966] [2024-11-10 09:42:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:20,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:20,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:20,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928830966] [2024-11-10 09:42:20,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928830966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:20,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:20,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:20,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968244328] [2024-11-10 09:42:20,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:20,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:20,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:20,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:20,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:20,530 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) [2024-11-10 09:42:20,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:20,646 INFO L93 Difference]: Finished difference Result 585 states and 796 transitions. [2024-11-10 09:42:20,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:20,646 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 [2024-11-10 09:42:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:20,651 INFO L225 Difference]: With dead ends: 585 [2024-11-10 09:42:20,651 INFO L226 Difference]: Without dead ends: 365 [2024-11-10 09:42:20,652 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 [2024-11-10 09:42:20,652 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 [2024-11-10 09:42:20,652 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] [2024-11-10 09:42:20,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-10 09:42:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 263. [2024-11-10 09:42:20,686 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) [2024-11-10 09:42:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 355 transitions. [2024-11-10 09:42:20,688 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 355 transitions. Word has length 160 [2024-11-10 09:42:20,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:20,688 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 355 transitions. [2024-11-10 09:42:20,688 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) [2024-11-10 09:42:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 355 transitions. [2024-11-10 09:42:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:42:20,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:20,691 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] [2024-11-10 09:42:20,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:42:20,691 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:20,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:20,691 INFO L85 PathProgramCache]: Analyzing trace with hash -259235882, now seen corresponding path program 1 times [2024-11-10 09:42:20,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:20,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90544417] [2024-11-10 09:42:20,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:20,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:20,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:20,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90544417] [2024-11-10 09:42:20,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90544417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:20,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:20,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:20,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062313787] [2024-11-10 09:42:20,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:20,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:20,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:20,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:20,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:20,931 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) [2024-11-10 09:42:21,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:21,055 INFO L93 Difference]: Finished difference Result 688 states and 928 transitions. [2024-11-10 09:42:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:21,055 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 [2024-11-10 09:42:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:21,058 INFO L225 Difference]: With dead ends: 688 [2024-11-10 09:42:21,058 INFO L226 Difference]: Without dead ends: 428 [2024-11-10 09:42:21,059 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 [2024-11-10 09:42:21,059 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 [2024-11-10 09:42:21,060 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] [2024-11-10 09:42:21,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-10 09:42:21,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 293. [2024-11-10 09:42:21,088 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) [2024-11-10 09:42:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 394 transitions. [2024-11-10 09:42:21,090 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 394 transitions. Word has length 160 [2024-11-10 09:42:21,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:21,090 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 394 transitions. [2024-11-10 09:42:21,091 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) [2024-11-10 09:42:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 394 transitions. [2024-11-10 09:42:21,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:42:21,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:21,092 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] [2024-11-10 09:42:21,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:42:21,093 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:21,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:21,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1932378632, now seen corresponding path program 1 times [2024-11-10 09:42:21,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:21,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839670753] [2024-11-10 09:42:21,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:21,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:21,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:21,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839670753] [2024-11-10 09:42:21,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839670753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:21,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:21,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:21,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746804300] [2024-11-10 09:42:21,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:21,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:21,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:21,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:21,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:21,399 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) [2024-11-10 09:42:21,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:21,558 INFO L93 Difference]: Finished difference Result 674 states and 902 transitions. [2024-11-10 09:42:21,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:21,559 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 [2024-11-10 09:42:21,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:21,561 INFO L225 Difference]: With dead ends: 674 [2024-11-10 09:42:21,561 INFO L226 Difference]: Without dead ends: 384 [2024-11-10 09:42:21,562 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 [2024-11-10 09:42:21,562 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 [2024-11-10 09:42:21,563 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] [2024-11-10 09:42:21,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-10 09:42:21,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 253. [2024-11-10 09:42:21,588 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) [2024-11-10 09:42:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 336 transitions. [2024-11-10 09:42:21,590 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 336 transitions. Word has length 160 [2024-11-10 09:42:21,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:21,590 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 336 transitions. [2024-11-10 09:42:21,590 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) [2024-11-10 09:42:21,590 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 336 transitions. [2024-11-10 09:42:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:42:21,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:21,592 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] [2024-11-10 09:42:21,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:42:21,593 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:21,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:21,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1852054487, now seen corresponding path program 1 times [2024-11-10 09:42:21,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:21,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336683213] [2024-11-10 09:42:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:21,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:21,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:21,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336683213] [2024-11-10 09:42:21,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336683213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:21,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:21,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:21,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791765362] [2024-11-10 09:42:21,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:21,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:21,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:21,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:21,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:21,781 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) [2024-11-10 09:42:21,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:21,895 INFO L93 Difference]: Finished difference Result 590 states and 785 transitions. [2024-11-10 09:42:21,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:21,896 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 [2024-11-10 09:42:21,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:21,899 INFO L225 Difference]: With dead ends: 590 [2024-11-10 09:42:21,899 INFO L226 Difference]: Without dead ends: 340 [2024-11-10 09:42:21,900 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 [2024-11-10 09:42:21,900 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 [2024-11-10 09:42:21,901 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] [2024-11-10 09:42:21,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-10 09:42:21,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 285. [2024-11-10 09:42:21,930 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) [2024-11-10 09:42:21,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 378 transitions. [2024-11-10 09:42:21,931 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 378 transitions. Word has length 160 [2024-11-10 09:42:21,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:21,932 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 378 transitions. [2024-11-10 09:42:21,932 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) [2024-11-10 09:42:21,932 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 378 transitions. [2024-11-10 09:42:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-10 09:42:21,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:21,935 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] [2024-11-10 09:42:21,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:42:21,935 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:21,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:21,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1015316781, now seen corresponding path program 1 times [2024-11-10 09:42:21,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:21,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135197453] [2024-11-10 09:42:21,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:21,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:23,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:23,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135197453] [2024-11-10 09:42:23,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135197453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:23,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:23,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-10 09:42:23,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48858065] [2024-11-10 09:42:23,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:23,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 09:42:23,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:23,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 09:42:23,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:42:23,648 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) [2024-11-10 09:42:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:25,731 INFO L93 Difference]: Finished difference Result 1541 states and 2032 transitions. [2024-11-10 09:42:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 09:42:25,731 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 [2024-11-10 09:42:25,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:25,737 INFO L225 Difference]: With dead ends: 1541 [2024-11-10 09:42:25,737 INFO L226 Difference]: Without dead ends: 1259 [2024-11-10 09:42:25,739 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 [2024-11-10 09:42:25,739 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 1317 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2024-11-10 09:42:25,740 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] [2024-11-10 09:42:25,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2024-11-10 09:42:25,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 868. [2024-11-10 09:42:25,862 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) [2024-11-10 09:42:25,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1151 transitions. [2024-11-10 09:42:25,867 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1151 transitions. Word has length 161 [2024-11-10 09:42:25,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:25,868 INFO L471 AbstractCegarLoop]: Abstraction has 868 states and 1151 transitions. [2024-11-10 09:42:25,868 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) [2024-11-10 09:42:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1151 transitions. [2024-11-10 09:42:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:25,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:25,872 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] [2024-11-10 09:42:25,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:42:25,873 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:25,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:25,873 INFO L85 PathProgramCache]: Analyzing trace with hash -249360960, now seen corresponding path program 1 times [2024-11-10 09:42:25,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:25,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989795995] [2024-11-10 09:42:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:26,167 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:26,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:26,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989795995] [2024-11-10 09:42:26,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989795995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:26,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:26,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:26,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623138647] [2024-11-10 09:42:26,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:26,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:26,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:26,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:26,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:26,169 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) [2024-11-10 09:42:26,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:26,306 INFO L93 Difference]: Finished difference Result 2268 states and 2983 transitions. [2024-11-10 09:42:26,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:26,307 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 [2024-11-10 09:42:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:26,314 INFO L225 Difference]: With dead ends: 2268 [2024-11-10 09:42:26,314 INFO L226 Difference]: Without dead ends: 1403 [2024-11-10 09:42:26,316 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 [2024-11-10 09:42:26,317 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 [2024-11-10 09:42:26,317 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] [2024-11-10 09:42:26,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states. [2024-11-10 09:42:26,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 1280. [2024-11-10 09:42:26,405 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) [2024-11-10 09:42:26,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1665 transitions. [2024-11-10 09:42:26,411 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1665 transitions. Word has length 162 [2024-11-10 09:42:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:26,412 INFO L471 AbstractCegarLoop]: Abstraction has 1280 states and 1665 transitions. [2024-11-10 09:42:26,412 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) [2024-11-10 09:42:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1665 transitions. [2024-11-10 09:42:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:26,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:26,416 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] [2024-11-10 09:42:26,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 09:42:26,416 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:26,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:26,417 INFO L85 PathProgramCache]: Analyzing trace with hash 495487044, now seen corresponding path program 1 times [2024-11-10 09:42:26,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:26,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704022936] [2024-11-10 09:42:26,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:26,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:27,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:27,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704022936] [2024-11-10 09:42:27,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704022936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:27,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:27,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:42:27,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198014546] [2024-11-10 09:42:27,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:27,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:42:27,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:42:27,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:42:27,290 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) [2024-11-10 09:42:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:27,898 INFO L93 Difference]: Finished difference Result 3105 states and 4023 transitions. [2024-11-10 09:42:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:42:27,899 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 [2024-11-10 09:42:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:27,907 INFO L225 Difference]: With dead ends: 3105 [2024-11-10 09:42:27,907 INFO L226 Difference]: Without dead ends: 1828 [2024-11-10 09:42:27,910 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 [2024-11-10 09:42:27,911 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 193 mSDsluCounter, 1260 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-10 09:42:27,911 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] [2024-11-10 09:42:27,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1828 states. [2024-11-10 09:42:28,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1828 to 1660. [2024-11-10 09:42:28,070 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) [2024-11-10 09:42:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2146 transitions. [2024-11-10 09:42:28,078 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2146 transitions. Word has length 162 [2024-11-10 09:42:28,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:28,079 INFO L471 AbstractCegarLoop]: Abstraction has 1660 states and 2146 transitions. [2024-11-10 09:42:28,079 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) [2024-11-10 09:42:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2146 transitions. [2024-11-10 09:42:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:28,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:28,083 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] [2024-11-10 09:42:28,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:42:28,083 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:28,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:28,083 INFO L85 PathProgramCache]: Analyzing trace with hash 624569763, now seen corresponding path program 1 times [2024-11-10 09:42:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:28,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387728224] [2024-11-10 09:42:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:28,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:28,400 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:28,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:28,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387728224] [2024-11-10 09:42:28,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387728224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:28,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:28,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:28,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423304909] [2024-11-10 09:42:28,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:28,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:28,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:28,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:28,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:28,402 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) [2024-11-10 09:42:28,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:28,666 INFO L93 Difference]: Finished difference Result 4144 states and 5320 transitions. [2024-11-10 09:42:28,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:28,666 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 [2024-11-10 09:42:28,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:28,677 INFO L225 Difference]: With dead ends: 4144 [2024-11-10 09:42:28,677 INFO L226 Difference]: Without dead ends: 2487 [2024-11-10 09:42:28,680 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 [2024-11-10 09:42:28,681 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 [2024-11-10 09:42:28,682 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] [2024-11-10 09:42:28,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2024-11-10 09:42:28,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2482. [2024-11-10 09:42:28,909 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) [2024-11-10 09:42:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 3164 transitions. [2024-11-10 09:42:28,920 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 3164 transitions. Word has length 162 [2024-11-10 09:42:28,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:28,921 INFO L471 AbstractCegarLoop]: Abstraction has 2482 states and 3164 transitions. [2024-11-10 09:42:28,922 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) [2024-11-10 09:42:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 3164 transitions. [2024-11-10 09:42:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:28,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:28,927 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] [2024-11-10 09:42:28,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 09:42:28,928 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:28,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:28,928 INFO L85 PathProgramCache]: Analyzing trace with hash 369833218, now seen corresponding path program 1 times [2024-11-10 09:42:28,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:28,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842109927] [2024-11-10 09:42:28,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:28,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:29,244 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:29,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842109927] [2024-11-10 09:42:29,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842109927] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:29,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:29,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:29,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846479655] [2024-11-10 09:42:29,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:29,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:29,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:29,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:29,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:29,247 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) [2024-11-10 09:42:29,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:29,588 INFO L93 Difference]: Finished difference Result 5016 states and 6446 transitions. [2024-11-10 09:42:29,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:29,589 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 [2024-11-10 09:42:29,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:29,600 INFO L225 Difference]: With dead ends: 5016 [2024-11-10 09:42:29,601 INFO L226 Difference]: Without dead ends: 2537 [2024-11-10 09:42:29,605 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 [2024-11-10 09:42:29,606 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 [2024-11-10 09:42:29,607 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] [2024-11-10 09:42:29,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2024-11-10 09:42:29,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2384. [2024-11-10 09:42:29,866 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) [2024-11-10 09:42:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 3043 transitions. [2024-11-10 09:42:29,875 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 3043 transitions. Word has length 162 [2024-11-10 09:42:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:29,876 INFO L471 AbstractCegarLoop]: Abstraction has 2384 states and 3043 transitions. [2024-11-10 09:42:29,876 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) [2024-11-10 09:42:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 3043 transitions. [2024-11-10 09:42:29,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:29,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:29,881 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] [2024-11-10 09:42:29,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 09:42:29,881 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:29,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:29,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1554310340, now seen corresponding path program 1 times [2024-11-10 09:42:29,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:29,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4154520] [2024-11-10 09:42:29,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:29,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:30,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4154520] [2024-11-10 09:42:30,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4154520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:30,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:30,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:42:30,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397517838] [2024-11-10 09:42:30,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:30,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:42:30,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:30,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:42:30,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:42:30,693 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) [2024-11-10 09:42:31,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:31,346 INFO L93 Difference]: Finished difference Result 5047 states and 6435 transitions. [2024-11-10 09:42:31,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:42:31,347 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 [2024-11-10 09:42:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:31,359 INFO L225 Difference]: With dead ends: 5047 [2024-11-10 09:42:31,360 INFO L226 Difference]: Without dead ends: 2666 [2024-11-10 09:42:31,364 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 [2024-11-10 09:42:31,365 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 [2024-11-10 09:42:31,366 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] [2024-11-10 09:42:31,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2024-11-10 09:42:31,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2184. [2024-11-10 09:42:31,550 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) [2024-11-10 09:42:31,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 2771 transitions. [2024-11-10 09:42:31,557 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 2771 transitions. Word has length 162 [2024-11-10 09:42:31,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:31,557 INFO L471 AbstractCegarLoop]: Abstraction has 2184 states and 2771 transitions. [2024-11-10 09:42:31,557 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) [2024-11-10 09:42:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 2771 transitions. [2024-11-10 09:42:31,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:31,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:31,562 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] [2024-11-10 09:42:31,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 09:42:31,562 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:31,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:31,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1425227621, now seen corresponding path program 1 times [2024-11-10 09:42:31,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:31,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525130369] [2024-11-10 09:42:31,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:31,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:31,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:31,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525130369] [2024-11-10 09:42:31,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525130369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:31,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:31,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:31,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236340448] [2024-11-10 09:42:31,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:31,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:31,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:31,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:31,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:31,848 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) [2024-11-10 09:42:32,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:32,133 INFO L93 Difference]: Finished difference Result 5180 states and 6567 transitions. [2024-11-10 09:42:32,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:32,133 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 [2024-11-10 09:42:32,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:32,144 INFO L225 Difference]: With dead ends: 5180 [2024-11-10 09:42:32,144 INFO L226 Difference]: Without dead ends: 2999 [2024-11-10 09:42:32,147 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 [2024-11-10 09:42:32,148 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 [2024-11-10 09:42:32,148 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] [2024-11-10 09:42:32,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2024-11-10 09:42:32,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 2994. [2024-11-10 09:42:32,391 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) [2024-11-10 09:42:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2994 states and 3786 transitions. [2024-11-10 09:42:32,402 INFO L78 Accepts]: Start accepts. Automaton has 2994 states and 3786 transitions. Word has length 162 [2024-11-10 09:42:32,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:32,402 INFO L471 AbstractCegarLoop]: Abstraction has 2994 states and 3786 transitions. [2024-11-10 09:42:32,402 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) [2024-11-10 09:42:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2994 states and 3786 transitions. [2024-11-10 09:42:32,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:32,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:32,410 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] [2024-11-10 09:42:32,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 09:42:32,411 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:32,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:32,411 INFO L85 PathProgramCache]: Analyzing trace with hash -809462336, now seen corresponding path program 1 times [2024-11-10 09:42:32,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:32,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218880104] [2024-11-10 09:42:32,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:32,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:32,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:32,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218880104] [2024-11-10 09:42:32,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218880104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:32,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:32,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:32,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26557912] [2024-11-10 09:42:32,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:32,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:32,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:32,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:32,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:32,649 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) [2024-11-10 09:42:32,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:32,981 INFO L93 Difference]: Finished difference Result 6087 states and 7700 transitions. [2024-11-10 09:42:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:42:32,982 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 [2024-11-10 09:42:32,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:32,996 INFO L225 Difference]: With dead ends: 6087 [2024-11-10 09:42:32,996 INFO L226 Difference]: Without dead ends: 3096 [2024-11-10 09:42:33,001 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 [2024-11-10 09:42:33,003 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 [2024-11-10 09:42:33,003 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] [2024-11-10 09:42:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3096 states. [2024-11-10 09:42:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3096 to 2982. [2024-11-10 09:42:33,274 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) [2024-11-10 09:42:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 3750 transitions. [2024-11-10 09:42:33,294 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 3750 transitions. Word has length 162 [2024-11-10 09:42:33,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:33,295 INFO L471 AbstractCegarLoop]: Abstraction has 2982 states and 3750 transitions. [2024-11-10 09:42:33,295 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) [2024-11-10 09:42:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 3750 transitions. [2024-11-10 09:42:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:33,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:33,308 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] [2024-11-10 09:42:33,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 09:42:33,309 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:33,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:33,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1679964166, now seen corresponding path program 1 times [2024-11-10 09:42:33,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:33,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465716047] [2024-11-10 09:42:33,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:33,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:33,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:33,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465716047] [2024-11-10 09:42:33,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465716047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:33,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:33,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:42:33,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99114639] [2024-11-10 09:42:33,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:33,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:42:33,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:33,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:42:33,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:42:33,553 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) [2024-11-10 09:42:33,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:33,895 INFO L93 Difference]: Finished difference Result 6296 states and 7974 transitions. [2024-11-10 09:42:33,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:33,895 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 [2024-11-10 09:42:33,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:33,908 INFO L225 Difference]: With dead ends: 6296 [2024-11-10 09:42:33,908 INFO L226 Difference]: Without dead ends: 3317 [2024-11-10 09:42:33,913 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 [2024-11-10 09:42:33,914 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 [2024-11-10 09:42:33,915 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] [2024-11-10 09:42:33,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3317 states. [2024-11-10 09:42:34,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3317 to 2852. [2024-11-10 09:42:34,138 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) [2024-11-10 09:42:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3587 transitions. [2024-11-10 09:42:34,150 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3587 transitions. Word has length 162 [2024-11-10 09:42:34,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:34,151 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 3587 transitions. [2024-11-10 09:42:34,151 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) [2024-11-10 09:42:34,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3587 transitions. [2024-11-10 09:42:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:34,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:34,157 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] [2024-11-10 09:42:34,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 09:42:34,157 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:34,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1771513803, now seen corresponding path program 1 times [2024-11-10 09:42:34,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:34,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338368812] [2024-11-10 09:42:34,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:34,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:34,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338368812] [2024-11-10 09:42:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338368812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:34,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:34,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:42:34,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204737290] [2024-11-10 09:42:34,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:34,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:42:34,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:34,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:42:34,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:42:34,361 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) [2024-11-10 09:42:34,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:34,724 INFO L93 Difference]: Finished difference Result 8061 states and 10137 transitions. [2024-11-10 09:42:34,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:42:34,725 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 [2024-11-10 09:42:34,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:34,752 INFO L225 Difference]: With dead ends: 8061 [2024-11-10 09:42:34,754 INFO L226 Difference]: Without dead ends: 5212 [2024-11-10 09:42:34,759 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 [2024-11-10 09:42:34,761 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 [2024-11-10 09:42:34,761 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] [2024-11-10 09:42:34,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2024-11-10 09:42:35,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 4091. [2024-11-10 09:42:35,036 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) [2024-11-10 09:42:35,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 4091 states and 5163 transitions. [2024-11-10 09:42:35,049 INFO L78 Accepts]: Start accepts. Automaton has 4091 states and 5163 transitions. Word has length 162 [2024-11-10 09:42:35,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:35,049 INFO L471 AbstractCegarLoop]: Abstraction has 4091 states and 5163 transitions. [2024-11-10 09:42:35,050 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) [2024-11-10 09:42:35,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4091 states and 5163 transitions. [2024-11-10 09:42:35,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:42:35,055 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:35,055 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] [2024-11-10 09:42:35,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 09:42:35,055 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:35,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:35,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1420713866, now seen corresponding path program 1 times [2024-11-10 09:42:35,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:35,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123874104] [2024-11-10 09:42:35,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:35,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:35,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:35,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123874104] [2024-11-10 09:42:35,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123874104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:35,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:35,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:42:35,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64455919] [2024-11-10 09:42:35,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:35,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:42:35,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:35,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:42:35,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:42:35,481 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) [2024-11-10 09:42:36,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:36,348 INFO L93 Difference]: Finished difference Result 8229 states and 10346 transitions. [2024-11-10 09:42:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:42:36,349 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 [2024-11-10 09:42:36,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:36,367 INFO L225 Difference]: With dead ends: 8229 [2024-11-10 09:42:36,368 INFO L226 Difference]: Without dead ends: 5380 [2024-11-10 09:42:36,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:42:36,375 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 [2024-11-10 09:42:36,375 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] [2024-11-10 09:42:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5380 states. [2024-11-10 09:42:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5380 to 4315. [2024-11-10 09:42:36,683 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) [2024-11-10 09:42:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 5409 transitions. [2024-11-10 09:42:36,702 INFO L78 Accepts]: Start accepts. Automaton has 4315 states and 5409 transitions. Word has length 162 [2024-11-10 09:42:36,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:36,702 INFO L471 AbstractCegarLoop]: Abstraction has 4315 states and 5409 transitions. [2024-11-10 09:42:36,703 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) [2024-11-10 09:42:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4315 states and 5409 transitions. [2024-11-10 09:42:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-10 09:42:36,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:36,711 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] [2024-11-10 09:42:36,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 09:42:36,711 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:36,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:36,712 INFO L85 PathProgramCache]: Analyzing trace with hash 316835598, now seen corresponding path program 1 times [2024-11-10 09:42:36,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:36,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847924547] [2024-11-10 09:42:36,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:36,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:37,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:37,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847924547] [2024-11-10 09:42:37,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847924547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:37,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:37,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:42:37,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703490502] [2024-11-10 09:42:37,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:37,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:42:37,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:37,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:42:37,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:42:37,498 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) [2024-11-10 09:42:47,476 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 [] [2024-11-10 09:42:47,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:47,810 INFO L93 Difference]: Finished difference Result 8560 states and 10717 transitions. [2024-11-10 09:42:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:42:47,811 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 [2024-11-10 09:42:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:47,824 INFO L225 Difference]: With dead ends: 8560 [2024-11-10 09:42:47,824 INFO L226 Difference]: Without dead ends: 5457 [2024-11-10 09:42:47,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=64, Invalid=207, Unknown=1, NotChecked=0, Total=272 [2024-11-10 09:42:47,833 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, 4.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:47,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1062 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 412 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-10 09:42:47,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2024-11-10 09:42:48,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 3797. [2024-11-10 09:42:48,135 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) [2024-11-10 09:42:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4707 transitions. [2024-11-10 09:42:48,148 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4707 transitions. Word has length 163 [2024-11-10 09:42:48,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:48,148 INFO L471 AbstractCegarLoop]: Abstraction has 3797 states and 4707 transitions. [2024-11-10 09:42:48,149 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) [2024-11-10 09:42:48,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4707 transitions. [2024-11-10 09:42:48,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:42:48,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:48,154 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] [2024-11-10 09:42:48,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 09:42:48,155 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:48,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1153891486, now seen corresponding path program 1 times [2024-11-10 09:42:48,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:48,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243290344] [2024-11-10 09:42:48,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:48,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:48,540 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:48,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:48,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243290344] [2024-11-10 09:42:48,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243290344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:48,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:48,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:48,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020478261] [2024-11-10 09:42:48,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:48,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:48,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:48,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:48,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:48,542 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) [2024-11-10 09:42:49,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:49,184 INFO L93 Difference]: Finished difference Result 7745 states and 9645 transitions. [2024-11-10 09:42:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:49,185 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 [2024-11-10 09:42:49,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:49,197 INFO L225 Difference]: With dead ends: 7745 [2024-11-10 09:42:49,197 INFO L226 Difference]: Without dead ends: 4358 [2024-11-10 09:42:49,203 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 [2024-11-10 09:42:49,203 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:49,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 833 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:42:49,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2024-11-10 09:42:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 3955. [2024-11-10 09:42:49,505 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) [2024-11-10 09:42:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3955 states and 4732 transitions. [2024-11-10 09:42:49,520 INFO L78 Accepts]: Start accepts. Automaton has 3955 states and 4732 transitions. Word has length 164 [2024-11-10 09:42:49,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:49,520 INFO L471 AbstractCegarLoop]: Abstraction has 3955 states and 4732 transitions. [2024-11-10 09:42:49,520 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) [2024-11-10 09:42:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 3955 states and 4732 transitions. [2024-11-10 09:42:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:42:49,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:49,525 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] [2024-11-10 09:42:49,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 09:42:49,526 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:49,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:49,526 INFO L85 PathProgramCache]: Analyzing trace with hash -793866842, now seen corresponding path program 1 times [2024-11-10 09:42:49,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:49,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882158435] [2024-11-10 09:42:49,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:49,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:50,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:50,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882158435] [2024-11-10 09:42:50,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882158435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:50,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:50,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:42:50,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605589896] [2024-11-10 09:42:50,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:50,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:42:50,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:50,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:42:50,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:42:50,728 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) [2024-11-10 09:42:52,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:52,006 INFO L93 Difference]: Finished difference Result 11715 states and 14038 transitions. [2024-11-10 09:42:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:42:52,007 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 [2024-11-10 09:42:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:52,028 INFO L225 Difference]: With dead ends: 11715 [2024-11-10 09:42:52,028 INFO L226 Difference]: Without dead ends: 8314 [2024-11-10 09:42:52,037 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 [2024-11-10 09:42:52,038 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 585 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-10 09:42:52,039 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] [2024-11-10 09:42:52,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8314 states. [2024-11-10 09:42:52,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8314 to 5089. [2024-11-10 09:42:52,576 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) [2024-11-10 09:42:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 5089 states and 6108 transitions. [2024-11-10 09:42:52,590 INFO L78 Accepts]: Start accepts. Automaton has 5089 states and 6108 transitions. Word has length 164 [2024-11-10 09:42:52,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:52,591 INFO L471 AbstractCegarLoop]: Abstraction has 5089 states and 6108 transitions. [2024-11-10 09:42:52,591 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) [2024-11-10 09:42:52,592 INFO L276 IsEmpty]: Start isEmpty. Operand 5089 states and 6108 transitions. [2024-11-10 09:42:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:42:52,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:52,597 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] [2024-11-10 09:42:52,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 09:42:52,598 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:52,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:52,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1693645991, now seen corresponding path program 1 times [2024-11-10 09:42:52,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:52,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069849525] [2024-11-10 09:42:52,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:52,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:52,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:52,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069849525] [2024-11-10 09:42:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069849525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:52,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:52,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:52,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19630840] [2024-11-10 09:42:52,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:52,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:52,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:52,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:52,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:52,859 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) [2024-11-10 09:42:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:53,420 INFO L93 Difference]: Finished difference Result 12610 states and 14980 transitions. [2024-11-10 09:42:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:53,421 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 [2024-11-10 09:42:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:53,441 INFO L225 Difference]: With dead ends: 12610 [2024-11-10 09:42:53,442 INFO L226 Difference]: Without dead ends: 8075 [2024-11-10 09:42:53,451 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 [2024-11-10 09:42:53,452 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 [2024-11-10 09:42:53,452 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] [2024-11-10 09:42:53,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8075 states. [2024-11-10 09:42:53,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8075 to 7610. [2024-11-10 09:42:53,999 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) [2024-11-10 09:42:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7610 states to 7610 states and 8917 transitions. [2024-11-10 09:42:54,017 INFO L78 Accepts]: Start accepts. Automaton has 7610 states and 8917 transitions. Word has length 164 [2024-11-10 09:42:54,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:54,018 INFO L471 AbstractCegarLoop]: Abstraction has 7610 states and 8917 transitions. [2024-11-10 09:42:54,018 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) [2024-11-10 09:42:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7610 states and 8917 transitions. [2024-11-10 09:42:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:42:54,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:54,026 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] [2024-11-10 09:42:54,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 09:42:54,026 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:54,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:54,027 INFO L85 PathProgramCache]: Analyzing trace with hash 167747175, now seen corresponding path program 1 times [2024-11-10 09:42:54,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209837346] [2024-11-10 09:42:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:54,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:54,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:54,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209837346] [2024-11-10 09:42:54,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209837346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:54,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:54,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:42:54,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8026368] [2024-11-10 09:42:54,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:54,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:42:54,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:54,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:42:54,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:42:54,258 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) [2024-11-10 09:42:54,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:54,848 INFO L93 Difference]: Finished difference Result 13611 states and 15964 transitions. [2024-11-10 09:42:54,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:42:54,849 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 [2024-11-10 09:42:54,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:54,869 INFO L225 Difference]: With dead ends: 13611 [2024-11-10 09:42:54,869 INFO L226 Difference]: Without dead ends: 8075 [2024-11-10 09:42:54,878 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 [2024-11-10 09:42:54,879 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 [2024-11-10 09:42:54,879 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] [2024-11-10 09:42:54,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8075 states. [2024-11-10 09:42:55,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8075 to 7610. [2024-11-10 09:42:55,337 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) [2024-11-10 09:42:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7610 states to 7610 states and 8896 transitions. [2024-11-10 09:42:55,358 INFO L78 Accepts]: Start accepts. Automaton has 7610 states and 8896 transitions. Word has length 164 [2024-11-10 09:42:55,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:55,359 INFO L471 AbstractCegarLoop]: Abstraction has 7610 states and 8896 transitions. [2024-11-10 09:42:55,359 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) [2024-11-10 09:42:55,359 INFO L276 IsEmpty]: Start isEmpty. Operand 7610 states and 8896 transitions. [2024-11-10 09:42:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:42:55,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:55,366 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] [2024-11-10 09:42:55,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 09:42:55,367 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:55,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:55,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1639707288, now seen corresponding path program 1 times [2024-11-10 09:42:55,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417051519] [2024-11-10 09:42:55,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:56,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:56,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417051519] [2024-11-10 09:42:56,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417051519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:56,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:56,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:42:56,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813280079] [2024-11-10 09:42:56,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:56,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:42:56,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:56,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:42:56,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:42:56,263 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) [2024-11-10 09:42:57,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:42:57,422 INFO L93 Difference]: Finished difference Result 14100 states and 16560 transitions. [2024-11-10 09:42:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:42:57,422 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 [2024-11-10 09:42:57,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:42:57,442 INFO L225 Difference]: With dead ends: 14100 [2024-11-10 09:42:57,442 INFO L226 Difference]: Without dead ends: 8564 [2024-11-10 09:42:57,449 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 [2024-11-10 09:42:57,449 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:42:57,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 1777 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:42:57,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8564 states. [2024-11-10 09:42:58,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8564 to 8559. [2024-11-10 09:42:58,155 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) [2024-11-10 09:42:58,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8559 states to 8559 states and 10078 transitions. [2024-11-10 09:42:58,178 INFO L78 Accepts]: Start accepts. Automaton has 8559 states and 10078 transitions. Word has length 164 [2024-11-10 09:42:58,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:42:58,179 INFO L471 AbstractCegarLoop]: Abstraction has 8559 states and 10078 transitions. [2024-11-10 09:42:58,179 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) [2024-11-10 09:42:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8559 states and 10078 transitions. [2024-11-10 09:42:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:42:58,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:42:58,187 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] [2024-11-10 09:42:58,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 09:42:58,187 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:42:58,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:42:58,187 INFO L85 PathProgramCache]: Analyzing trace with hash 48560151, now seen corresponding path program 1 times [2024-11-10 09:42:58,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:42:58,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313057575] [2024-11-10 09:42:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:42:58,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:42:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:42:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:42:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:42:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:42:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:42:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:42:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:42:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:42:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:42:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:42:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:42:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:42:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:42:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:42:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:42:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:42:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:42:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:42:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:42:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:42:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:42:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:42:58,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:42:58,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313057575] [2024-11-10 09:42:58,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313057575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:42:58,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:42:58,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:42:58,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9082157] [2024-11-10 09:42:58,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:42:58,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:42:58,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:42:58,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:42:58,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:42:58,913 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) [2024-11-10 09:43:00,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:43:00,228 INFO L93 Difference]: Finished difference Result 15032 states and 17699 transitions. [2024-11-10 09:43:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:43:00,229 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 [2024-11-10 09:43:00,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:43:00,246 INFO L225 Difference]: With dead ends: 15032 [2024-11-10 09:43:00,246 INFO L226 Difference]: Without dead ends: 8547 [2024-11-10 09:43:00,256 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 [2024-11-10 09:43:00,257 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:43:00,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 963 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:43:00,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8547 states. [2024-11-10 09:43:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8547 to 7971. [2024-11-10 09:43:01,081 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) [2024-11-10 09:43:01,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7971 states to 7971 states and 9386 transitions. [2024-11-10 09:43:01,106 INFO L78 Accepts]: Start accepts. Automaton has 7971 states and 9386 transitions. Word has length 164 [2024-11-10 09:43:01,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:43:01,107 INFO L471 AbstractCegarLoop]: Abstraction has 7971 states and 9386 transitions. [2024-11-10 09:43:01,107 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) [2024-11-10 09:43:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7971 states and 9386 transitions. [2024-11-10 09:43:01,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 09:43:01,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:43:01,117 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] [2024-11-10 09:43:01,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 09:43:01,118 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:43:01,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:43:01,118 INFO L85 PathProgramCache]: Analyzing trace with hash -872925306, now seen corresponding path program 1 times [2024-11-10 09:43:01,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:43:01,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88477487] [2024-11-10 09:43:01,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:43:01,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:43:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:43:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:43:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:43:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:43:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:43:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:43:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:43:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:43:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:43:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:43:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:43:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:43:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:43:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:43:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:43:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:43:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:43:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:43:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:43:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:43:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:43:02,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:43:02,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88477487] [2024-11-10 09:43:02,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88477487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:43:02,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:43:02,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:43:02,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173510970] [2024-11-10 09:43:02,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:43:02,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:43:02,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:43:02,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:43:02,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:43:02,450 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) [2024-11-10 09:43:03,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:43:03,692 INFO L93 Difference]: Finished difference Result 13907 states and 16389 transitions. [2024-11-10 09:43:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:43:03,693 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 [2024-11-10 09:43:03,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:43:03,711 INFO L225 Difference]: With dead ends: 13907 [2024-11-10 09:43:03,711 INFO L226 Difference]: Without dead ends: 8010 [2024-11-10 09:43:03,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:43:03,722 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 670 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-10 09:43:03,722 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] [2024-11-10 09:43:03,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8010 states. [2024-11-10 09:43:04,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8010 to 6891. [2024-11-10 09:43:04,519 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) [2024-11-10 09:43:04,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6891 states to 6891 states and 8077 transitions. [2024-11-10 09:43:04,535 INFO L78 Accepts]: Start accepts. Automaton has 6891 states and 8077 transitions. Word has length 164 [2024-11-10 09:43:04,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:43:04,536 INFO L471 AbstractCegarLoop]: Abstraction has 6891 states and 8077 transitions. [2024-11-10 09:43:04,536 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) [2024-11-10 09:43:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 6891 states and 8077 transitions. [2024-11-10 09:43:04,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 09:43:04,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:43:04,544 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] [2024-11-10 09:43:04,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 09:43:04,544 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:43:04,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:43:04,545 INFO L85 PathProgramCache]: Analyzing trace with hash 265605632, now seen corresponding path program 1 times [2024-11-10 09:43:04,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:43:04,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957126645] [2024-11-10 09:43:04,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:43:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:43:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:43:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:43:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:43:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:43:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:43:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:43:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:43:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:43:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:43:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:43:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:43:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:43:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:43:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:43:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:43:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:43:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:43:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:43:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:43:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:43:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:43:05,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:43:05,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957126645] [2024-11-10 09:43:05,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957126645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:43:05,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:43:05,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-10 09:43:05,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321398824] [2024-11-10 09:43:05,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:43:05,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-10 09:43:05,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:43:05,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-10 09:43:05,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:43:05,427 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) [2024-11-10 09:43:06,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:43:06,542 INFO L93 Difference]: Finished difference Result 13102 states and 15395 transitions. [2024-11-10 09:43:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:43:06,542 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 [2024-11-10 09:43:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:43:06,562 INFO L225 Difference]: With dead ends: 13102 [2024-11-10 09:43:06,562 INFO L226 Difference]: Without dead ends: 7169 [2024-11-10 09:43:06,571 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 [2024-11-10 09:43:06,572 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 207 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-11-10 09:43:06,572 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] [2024-11-10 09:43:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7169 states. [2024-11-10 09:43:07,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7169 to 6639. [2024-11-10 09:43:07,307 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) [2024-11-10 09:43:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6639 states to 6639 states and 7779 transitions. [2024-11-10 09:43:07,325 INFO L78 Accepts]: Start accepts. Automaton has 6639 states and 7779 transitions. Word has length 166 [2024-11-10 09:43:07,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:43:07,325 INFO L471 AbstractCegarLoop]: Abstraction has 6639 states and 7779 transitions. [2024-11-10 09:43:07,325 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) [2024-11-10 09:43:07,326 INFO L276 IsEmpty]: Start isEmpty. Operand 6639 states and 7779 transitions. [2024-11-10 09:43:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 09:43:07,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:43:07,332 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] [2024-11-10 09:43:07,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 09:43:07,333 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:43:07,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:43:07,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1004613868, now seen corresponding path program 1 times [2024-11-10 09:43:07,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:43:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087519475] [2024-11-10 09:43:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:43:07,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:43:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:43:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:43:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:43:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:43:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:43:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:43:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:43:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:43:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:43:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:43:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:43:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:43:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:43:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:43:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:43:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:43:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:43:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:43:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:43:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:43:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:07,646 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:43:07,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:43:07,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087519475] [2024-11-10 09:43:07,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087519475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:43:07,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:43:07,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:43:07,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826025262] [2024-11-10 09:43:07,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:43:07,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:43:07,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:43:07,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:43:07,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:43:07,649 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) [2024-11-10 09:43:08,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:43:08,485 INFO L93 Difference]: Finished difference Result 6810 states and 7991 transitions. [2024-11-10 09:43:08,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:43:08,486 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 [2024-11-10 09:43:08,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:43:08,500 INFO L225 Difference]: With dead ends: 6810 [2024-11-10 09:43:08,500 INFO L226 Difference]: Without dead ends: 6807 [2024-11-10 09:43:08,503 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 [2024-11-10 09:43:08,503 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 [2024-11-10 09:43:08,503 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] [2024-11-10 09:43:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2024-11-10 09:43:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 6807. [2024-11-10 09:43:09,223 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) [2024-11-10 09:43:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6807 states to 6807 states and 7947 transitions. [2024-11-10 09:43:09,235 INFO L78 Accepts]: Start accepts. Automaton has 6807 states and 7947 transitions. Word has length 166 [2024-11-10 09:43:09,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:43:09,235 INFO L471 AbstractCegarLoop]: Abstraction has 6807 states and 7947 transitions. [2024-11-10 09:43:09,236 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) [2024-11-10 09:43:09,236 INFO L276 IsEmpty]: Start isEmpty. Operand 6807 states and 7947 transitions. [2024-11-10 09:43:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-10 09:43:09,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:43:09,243 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, 1, 1, 1, 1] [2024-11-10 09:43:09,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 09:43:09,243 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:43:09,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:43:09,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1744498209, now seen corresponding path program 1 times [2024-11-10 09:43:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:43:09,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688686120] [2024-11-10 09:43:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:43:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:43:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:43:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:43:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:43:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:43:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:43:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:43:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:43:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:43:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:43:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:43:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:43:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:43:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:43:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:43:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 09:43:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 09:43:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 09:43:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 09:43:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 09:43:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-10 09:43:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:43:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-10 09:43:09,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:43:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688686120] [2024-11-10 09:43:09,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688686120] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:43:09,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:43:09,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:43:09,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408782364] [2024-11-10 09:43:09,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:43:09,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:43:09,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:43:09,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:43:09,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:43:09,541 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)