./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:46:28,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:46:28,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:46:28,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:46:28,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:46:28,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:46:28,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:46:28,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:46:28,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:46:28,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:46:28,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:46:28,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:46:28,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:46:28,591 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:46:28,592 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:46:28,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:46:28,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:46:28,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:46:28,592 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:46:28,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:46:28,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:46:28,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:46:28,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:46:28,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:46:28,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:46:28,596 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:46:28,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:46:28,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:46:28,597 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:46:28,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:46:28,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:46:28,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:46:28,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:46:28,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:46:28,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:46:28,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:46:28,598 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:46:28,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:46:28,598 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:46:28,598 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:46:28,599 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:46:28,600 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:46:28,600 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704df788abd4d158785e676aa1cfa96621053bb5e430ce2d41562957fb66d52d [2024-11-16 18:46:28,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:46:28,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:46:28,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:46:28,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:46:28,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:46:28,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2024-11-16 18:46:30,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:46:30,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:46:30,266 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2024-11-16 18:46:30,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4518d0696/a5655582dbe04355b06d5c7fa970c691/FLAGbc485d519 [2024-11-16 18:46:30,673 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4518d0696/a5655582dbe04355b06d5c7fa970c691 [2024-11-16 18:46:30,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:46:30,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:46:30,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:46:30,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:46:30,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:46:30,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:46:30" (1/1) ... [2024-11-16 18:46:30,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f44ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:30, skipping insertion in model container [2024-11-16 18:46:30,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:46:30" (1/1) ... [2024-11-16 18:46:30,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:46:30,843 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-s_file-6.i[915,928] [2024-11-16 18:46:30,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:46:30,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:46:30,941 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-s_file-6.i[915,928] [2024-11-16 18:46:30,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:46:31,002 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:46:31,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31 WrapperNode [2024-11-16 18:46:31,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:46:31,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:46:31,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:46:31,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:46:31,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,065 INFO L138 Inliner]: procedures = 30, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 510 [2024-11-16 18:46:31,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:46:31,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:46:31,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:46:31,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:46:31,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,080 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,086 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-16 18:46:31,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:46:31,153 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:46:31,153 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:46:31,153 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:46:31,154 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (1/1) ... [2024-11-16 18:46:31,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:46:31,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:46:31,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:46:31,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:46:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:46:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-16 18:46:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-16 18:46:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 18:46:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-16 18:46:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-16 18:46:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 18:46:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:46:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:46:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 18:46:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:46:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:46:31,383 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:46:31,385 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:46:31,847 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L127: havoc property_#t~mem94#1;havoc property_#t~mem95#1;havoc property_#t~ite98#1;havoc property_#t~mem96#1;havoc property_#t~mem97#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~ite106#1;havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~ite105#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~mem107#1;havoc property_#t~ite118#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~ite115#1;havoc property_#t~mem114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem117#1;havoc property_#t~mem116#1;havoc property_#t~short119#1;havoc property_#t~ite124#1;havoc property_#t~mem123#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~short122#1;havoc property_#t~short125#1;havoc property_#t~mem126#1;havoc property_#t~mem127#1;havoc property_#t~ite135#1;havoc property_#t~mem134#1;havoc property_#t~mem128#1;havoc property_#t~mem129#1;havoc property_#t~ite132#1;havoc property_#t~mem130#1;havoc property_#t~mem131#1;havoc property_#t~mem133#1;havoc property_#t~short136#1;havoc property_#t~mem142#1;havoc property_#t~mem137#1;havoc property_#t~mem138#1;havoc property_#t~ite141#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~short143#1; [2024-11-16 18:46:31,890 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-16 18:46:31,890 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:46:31,908 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:46:31,908 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:46:31,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:46:31 BoogieIcfgContainer [2024-11-16 18:46:31,909 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:46:31,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:46:31,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:46:31,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:46:31,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:46:30" (1/3) ... [2024-11-16 18:46:31,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1e373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:46:31, skipping insertion in model container [2024-11-16 18:46:31,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:46:31" (2/3) ... [2024-11-16 18:46:31,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1e373a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:46:31, skipping insertion in model container [2024-11-16 18:46:31,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:46:31" (3/3) ... [2024-11-16 18:46:31,918 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-6.i [2024-11-16 18:46:31,931 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:46:31,932 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:46:31,988 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:46:31,994 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;@1531f3e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:46:31,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:46:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 18:46:32,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:46:32,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:46:32,009 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:46:32,009 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:46:32,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:46:32,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2128280162, now seen corresponding path program 1 times [2024-11-16 18:46:32,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:46:32,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687360193] [2024-11-16 18:46:32,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:46:32,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:46:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:46:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:46:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:46:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:46:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:46:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:46:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:46:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:46:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:46:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:46:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:46:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:46:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:46:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:46:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:46:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:46:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:46:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:46:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:46:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:32,470 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:46:32,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:46:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687360193] [2024-11-16 18:46:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687360193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:46:32,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:46:32,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:46:32,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074524465] [2024-11-16 18:46:32,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:46:32,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:46:32,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:46:32,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:46:32,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:46:32,509 INFO L87 Difference]: Start difference. First operand has 125 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 18:46:32,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:46:32,541 INFO L93 Difference]: Finished difference Result 242 states and 376 transitions. [2024-11-16 18:46:32,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:46:32,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2024-11-16 18:46:32,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:46:32,552 INFO L225 Difference]: With dead ends: 242 [2024-11-16 18:46:32,552 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 18:46:32,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:46:32,560 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:46:32,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:46:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 18:46:32,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-16 18:46:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3737373737373737) internal successors, (136), 99 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 18:46:32,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-16 18:46:32,618 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 160 [2024-11-16 18:46:32,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:46:32,619 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-16 18:46:32,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 18:46:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-16 18:46:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:46:32,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:46:32,622 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:46:32,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:46:32,623 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:46:32,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:46:32,624 INFO L85 PathProgramCache]: Analyzing trace with hash -868714381, now seen corresponding path program 1 times [2024-11-16 18:46:32,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:46:32,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640488202] [2024-11-16 18:46:32,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:46:32,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:46:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:46:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:46:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:46:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:46:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:46:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:46:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:46:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:46:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:46:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:46:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:46:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:46:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:46:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:46:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:46:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:46:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:46:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:46:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:46:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:46:33,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:46:33,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640488202] [2024-11-16 18:46:33,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640488202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:46:33,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:46:33,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 18:46:33,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215611328] [2024-11-16 18:46:33,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:46:33,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 18:46:33,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:46:33,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 18:46:33,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:46:33,097 INFO L87 Difference]: Start difference. First operand 120 states and 174 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:33,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:46:33,133 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-16 18:46:33,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 18:46:33,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-16 18:46:33,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:46:33,137 INFO L225 Difference]: With dead ends: 237 [2024-11-16 18:46:33,137 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 18:46:33,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:46:33,140 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:46:33,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 339 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:46:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 18:46:33,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-16 18:46:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 99 states have internal predecessors, (135), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 18:46:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-16 18:46:33,156 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 160 [2024-11-16 18:46:33,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:46:33,159 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-16 18:46:33,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-16 18:46:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-16 18:46:33,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:46:33,163 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:46:33,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:46:33,163 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:46:33,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:46:33,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1277538606, now seen corresponding path program 1 times [2024-11-16 18:46:33,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:46:33,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057859184] [2024-11-16 18:46:33,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:46:33,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:46:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:46:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:46:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:46:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:46:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:46:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:46:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:46:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:46:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:46:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:46:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:46:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:46:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:46:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:46:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:46:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:46:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:46:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:46:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:46:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:46:33,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:46:33,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057859184] [2024-11-16 18:46:33,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057859184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:46:33,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:46:33,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:46:33,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838090421] [2024-11-16 18:46:33,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:46:33,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:46:33,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:46:33,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:46:33,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:46:33,477 INFO L87 Difference]: Start difference. First operand 120 states and 173 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:33,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:46:33,515 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-16 18:46:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:46:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 160 [2024-11-16 18:46:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:46:33,517 INFO L225 Difference]: With dead ends: 239 [2024-11-16 18:46:33,517 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:46:33,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:46:33,519 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:46:33,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 502 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:46:33,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:46:33,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-16 18:46:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3564356435643565) internal successors, (137), 101 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 18:46:33,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-16 18:46:33,527 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 160 [2024-11-16 18:46:33,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:46:33,527 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-16 18:46:33,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-16 18:46:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:46:33,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:46:33,530 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:46:33,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:46:33,530 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:46:33,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:46:33,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1602369652, now seen corresponding path program 1 times [2024-11-16 18:46:33,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:46:33,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145216471] [2024-11-16 18:46:33,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:46:33,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:46:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:46:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:46:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:46:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:46:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:46:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:46:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:46:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:46:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:46:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:46:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:46:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:46:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:46:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:46:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:46:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:46:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:46:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:46:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:46:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:46:33,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:46:33,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145216471] [2024-11-16 18:46:33,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145216471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:46:33,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:46:33,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:46:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139200467] [2024-11-16 18:46:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:46:33,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:46:33,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:46:33,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:46:33,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:46:33,794 INFO L87 Difference]: Start difference. First operand 122 states and 175 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:33,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:46:33,939 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-16 18:46:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:46:33,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-16 18:46:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:46:33,941 INFO L225 Difference]: With dead ends: 241 [2024-11-16 18:46:33,941 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:46:33,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:46:33,942 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:46:33,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 436 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:46:33,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:46:33,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-16 18:46:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 18:46:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-16 18:46:33,948 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 162 [2024-11-16 18:46:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:46:33,948 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-16 18:46:33,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-16 18:46:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:46:33,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:46:33,950 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:46:33,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:46:33,950 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:46:33,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:46:33,951 INFO L85 PathProgramCache]: Analyzing trace with hash 605297299, now seen corresponding path program 1 times [2024-11-16 18:46:33,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:46:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588596794] [2024-11-16 18:46:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:46:33,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:46:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 18:46:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 18:46:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:46:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:46:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:46:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:46:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:46:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:46:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 18:46:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:46:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:46:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:46:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:46:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:46:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-16 18:46:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-16 18:46:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-16 18:46:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 18:46:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 18:46:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:46:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-16 18:46:35,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:46:35,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588596794] [2024-11-16 18:46:35,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588596794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:46:35,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:46:35,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 18:46:35,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014330137] [2024-11-16 18:46:35,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:46:35,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 18:46:35,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:46:35,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 18:46:35,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:46:35,828 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:46:36,659 INFO L93 Difference]: Finished difference Result 404 states and 575 transitions. [2024-11-16 18:46:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:46:36,660 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 162 [2024-11-16 18:46:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:46:36,662 INFO L225 Difference]: With dead ends: 404 [2024-11-16 18:46:36,662 INFO L226 Difference]: Without dead ends: 285 [2024-11-16 18:46:36,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-16 18:46:36,663 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 249 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 18:46:36,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 602 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 18:46:36,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-16 18:46:36,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 236. [2024-11-16 18:46:36,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 195 states have (on average 1.3487179487179488) internal successors, (263), 195 states have internal predecessors, (263), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-16 18:46:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 339 transitions. [2024-11-16 18:46:36,680 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 339 transitions. Word has length 162 [2024-11-16 18:46:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:46:36,680 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 339 transitions. [2024-11-16 18:46:36,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-16 18:46:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 339 transitions. [2024-11-16 18:46:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-16 18:46:36,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:46:36,682 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:46:36,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:46:36,682 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:46:36,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:46:36,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2112849108, now seen corresponding path program 1 times [2024-11-16 18:46:36,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:46:36,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434343811] [2024-11-16 18:46:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:46:36,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:46:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat