./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.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-28.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 e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:42:36,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:42:36,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:42:36,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:42:36,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:42:36,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:42:36,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:42:36,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:42:36,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:42:36,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:42:36,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:42:36,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:42:36,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:42:36,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:42:36,559 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:42:36,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:42:36,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:42:36,560 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:42:36,560 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:42:36,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:42:36,561 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:42:36,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:42:36,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:42:36,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:42:36,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:42:36,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:42:36,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:42:36,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:42:36,563 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:42:36,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:42:36,563 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:42:36,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:42:36,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:42:36,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:42:36,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:42:36,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:42:36,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:42:36,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:42:36,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:42:36,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:42:36,567 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:42:36,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:42:36,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 [2024-11-16 18:42:36,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:42:36,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:42:36,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:42:36,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:42:36,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:42:36,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i [2024-11-16 18:42:38,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:42:38,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:42:38,350 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i [2024-11-16 18:42:38,362 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c285f76d/341b9ffcd60e4410a4bcafb6e4966f65/FLAG472ff7588 [2024-11-16 18:42:38,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c285f76d/341b9ffcd60e4410a4bcafb6e4966f65 [2024-11-16 18:42:38,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:42:38,383 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:42:38,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:42:38,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:42:38,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:42:38,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb28957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38, skipping insertion in model container [2024-11-16 18:42:38,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:42:38,587 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-28.i[916,929] [2024-11-16 18:42:38,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:42:38,674 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:42:38,688 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-28.i[916,929] [2024-11-16 18:42:38,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:42:38,763 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:42:38,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38 WrapperNode [2024-11-16 18:42:38,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:42:38,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:42:38,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:42:38,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:42:38,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,866 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 574 [2024-11-16 18:42:38,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:42:38,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:42:38,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:42:38,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:42:38,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,893 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-16 18:42:38,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,920 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:42:38,931 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:42:38,932 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:42:38,932 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:42:38,932 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (1/1) ... [2024-11-16 18:42:38,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:42:38,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:42:38,969 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 18:42:38,977 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 18:42:39,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-16 18:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-16 18:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 18:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-16 18:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-16 18:42:39,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 18:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:42:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 18:42:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:42:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:42:39,131 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:42:39,134 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:42:39,617 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~mem103#1;havoc property_#t~ite114#1;havoc property_#t~mem111#1;havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~mem106#1;havoc property_#t~ite110#1;havoc property_#t~mem107#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem113#1;havoc property_#t~mem112#1;havoc property_#t~mem115#1;havoc property_#t~ite122#1;havoc property_#t~mem121#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~ite120#1;havoc property_#t~mem118#1;havoc property_#t~mem119#1;havoc property_#t~short123#1;havoc property_#t~mem129#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~ite128#1;havoc property_#t~mem126#1;havoc property_#t~mem127#1;havoc property_#t~short130#1;havoc property_#t~mem131#1;havoc property_#t~bitwise132#1;havoc property_#t~mem133#1;havoc property_#t~mem134#1;havoc property_#t~ite137#1;havoc property_#t~mem135#1;havoc property_#t~mem136#1;havoc property_#t~ite159#1;havoc property_#t~mem150#1;havoc property_#t~mem140#1;havoc property_#t~mem138#1;havoc property_#t~mem139#1;havoc property_#t~ite144#1;havoc property_#t~mem141#1;havoc property_#t~mem142#1;havoc property_#t~mem143#1;havoc property_#t~mem149#1;havoc property_#t~mem145#1;havoc property_#t~ite148#1;havoc property_#t~mem146#1;havoc property_#t~mem147#1;havoc property_#t~mem158#1;havoc property_#t~mem157#1;havoc property_#t~mem151#1;havoc property_#t~mem152#1;havoc property_#t~ite155#1;havoc property_#t~mem153#1;havoc property_#t~mem154#1;havoc property_#t~mem156#1;havoc property_#t~short160#1;havoc property_#t~mem162#1;havoc property_#t~mem161#1;havoc property_#t~short163#1;havoc property_#t~mem165#1;havoc property_#t~mem164#1;havoc property_#t~short166#1; [2024-11-16 18:42:39,665 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-16 18:42:39,665 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:42:39,693 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:42:39,693 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:42:39,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:39 BoogieIcfgContainer [2024-11-16 18:42:39,694 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:42:39,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:42:39,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:42:39,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:42:39,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:42:38" (1/3) ... [2024-11-16 18:42:39,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a24a22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:42:39, skipping insertion in model container [2024-11-16 18:42:39,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:38" (2/3) ... [2024-11-16 18:42:39,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a24a22b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:42:39, skipping insertion in model container [2024-11-16 18:42:39,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:39" (3/3) ... [2024-11-16 18:42:39,705 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-28.i [2024-11-16 18:42:39,719 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:42:39,719 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:42:39,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:42:39,783 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;@1fa24236, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:42:39,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:42:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 109 states have (on average 1.4220183486238531) internal successors, (155), 110 states have internal predecessors, (155), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:42:39,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:39,800 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:39,800 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:39,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:39,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1199213365, now seen corresponding path program 1 times [2024-11-16 18:42:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:39,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823847424] [2024-11-16 18:42:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:42:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:42:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,261 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:40,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:40,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823847424] [2024-11-16 18:42:40,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823847424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:40,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:40,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:42:40,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488112697] [2024-11-16 18:42:40,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:40,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:42:40,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:40,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:42:40,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:42:40,301 INFO L87 Difference]: Start difference. First operand has 126 states, 109 states have (on average 1.4220183486238531) internal successors, (155), 110 states have internal predecessors, (155), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:40,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:40,339 INFO L93 Difference]: Finished difference Result 244 states and 373 transitions. [2024-11-16 18:42:40,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:42:40,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-16 18:42:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:40,348 INFO L225 Difference]: With dead ends: 244 [2024-11-16 18:42:40,349 INFO L226 Difference]: Without dead ends: 121 [2024-11-16 18:42:40,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 18:42:40,356 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:40,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:40,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-16 18:42:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-16 18:42:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2024-11-16 18:42:40,398 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 132 [2024-11-16 18:42:40,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:40,399 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2024-11-16 18:42:40,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2024-11-16 18:42:40,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:42:40,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:40,402 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:40,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:42:40,402 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:40,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:40,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1859386005, now seen corresponding path program 1 times [2024-11-16 18:42:40,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:40,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330006746] [2024-11-16 18:42:40,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:40,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:42:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:42:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:40,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:40,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330006746] [2024-11-16 18:42:40,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330006746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:40,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:40,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:42:40,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515989496] [2024-11-16 18:42:40,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:40,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:42:40,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:40,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:42:40,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:42:40,791 INFO L87 Difference]: Start difference. First operand 121 states and 173 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:40,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:40,854 INFO L93 Difference]: Finished difference Result 242 states and 347 transitions. [2024-11-16 18:42:40,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:42:40,855 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-16 18:42:40,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:40,857 INFO L225 Difference]: With dead ends: 242 [2024-11-16 18:42:40,857 INFO L226 Difference]: Without dead ends: 124 [2024-11-16 18:42:40,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 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 18:42:40,859 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:40,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 493 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:40,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-16 18:42:40,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-11-16 18:42:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 175 transitions. [2024-11-16 18:42:40,869 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 175 transitions. Word has length 132 [2024-11-16 18:42:40,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:40,872 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 175 transitions. [2024-11-16 18:42:40,872 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-11-16 18:42:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:42:40,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:40,875 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:40,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:42:40,875 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:40,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:40,876 INFO L85 PathProgramCache]: Analyzing trace with hash -116575670, now seen corresponding path program 1 times [2024-11-16 18:42:40,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264566612] [2024-11-16 18:42:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:40,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:42:41,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:42:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:41,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:41,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264566612] [2024-11-16 18:42:41,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264566612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:41,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:41,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:42:41,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087615050] [2024-11-16 18:42:41,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:41,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:42:41,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:41,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:42:41,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:42:41,632 INFO L87 Difference]: Start difference. First operand 123 states and 175 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:42,060 INFO L93 Difference]: Finished difference Result 321 states and 455 transitions. [2024-11-16 18:42:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:42:42,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-16 18:42:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:42,063 INFO L225 Difference]: With dead ends: 321 [2024-11-16 18:42:42,063 INFO L226 Difference]: Without dead ends: 201 [2024-11-16 18:42:42,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-16 18:42:42,064 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 93 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:42,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1174 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 18:42:42,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-16 18:42:42,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2024-11-16 18:42:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 178 states have (on average 1.3876404494382022) internal successors, (247), 179 states have internal predecessors, (247), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:42:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 279 transitions. [2024-11-16 18:42:42,076 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 279 transitions. Word has length 132 [2024-11-16 18:42:42,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:42,076 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 279 transitions. [2024-11-16 18:42:42,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 279 transitions. [2024-11-16 18:42:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:42:42,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:42,079 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:42,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:42:42,079 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:42,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:42,080 INFO L85 PathProgramCache]: Analyzing trace with hash 766073992, now seen corresponding path program 1 times [2024-11-16 18:42:42,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:42,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490230215] [2024-11-16 18:42:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:42,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:42:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:42:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:43,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:43,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490230215] [2024-11-16 18:42:43,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490230215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:43,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:43,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:42:43,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174199826] [2024-11-16 18:42:43,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:43,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:42:43,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:43,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:42:43,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:42:43,622 INFO L87 Difference]: Start difference. First operand 197 states and 279 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:44,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:44,668 INFO L93 Difference]: Finished difference Result 628 states and 885 transitions. [2024-11-16 18:42:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 18:42:44,669 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-16 18:42:44,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:44,672 INFO L225 Difference]: With dead ends: 628 [2024-11-16 18:42:44,672 INFO L226 Difference]: Without dead ends: 434 [2024-11-16 18:42:44,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:42:44,674 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 261 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:44,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 758 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 18:42:44,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-16 18:42:44,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 369. [2024-11-16 18:42:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 342 states have (on average 1.3976608187134503) internal successors, (478), 345 states have internal predecessors, (478), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 18:42:44,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 522 transitions. [2024-11-16 18:42:44,700 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 522 transitions. Word has length 134 [2024-11-16 18:42:44,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:44,701 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 522 transitions. [2024-11-16 18:42:44,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 522 transitions. [2024-11-16 18:42:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:42:44,703 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:44,703 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:44,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 18:42:44,704 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:44,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:44,704 INFO L85 PathProgramCache]: Analyzing trace with hash 977424905, now seen corresponding path program 1 times [2024-11-16 18:42:44,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:44,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838984186] [2024-11-16 18:42:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:44,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:42:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:42:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:45,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:45,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838984186] [2024-11-16 18:42:45,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838984186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:45,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:45,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:42:45,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105332512] [2024-11-16 18:42:45,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:45,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:42:45,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:45,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:42:45,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:42:45,394 INFO L87 Difference]: Start difference. First operand 369 states and 522 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:45,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:45,659 INFO L93 Difference]: Finished difference Result 763 states and 1077 transitions. [2024-11-16 18:42:45,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:45,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-11-16 18:42:45,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:45,663 INFO L225 Difference]: With dead ends: 763 [2024-11-16 18:42:45,663 INFO L226 Difference]: Without dead ends: 397 [2024-11-16 18:42:45,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:45,666 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 207 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:45,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 427 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:42:45,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-16 18:42:45,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 369. [2024-11-16 18:42:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 342 states have (on average 1.3888888888888888) internal successors, (475), 345 states have internal predecessors, (475), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 18:42:45,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 519 transitions. [2024-11-16 18:42:45,702 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 519 transitions. Word has length 134 [2024-11-16 18:42:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:45,703 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 519 transitions. [2024-11-16 18:42:45,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 519 transitions. [2024-11-16 18:42:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 18:42:45,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:45,705 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:45,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:42:45,706 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:45,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:45,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1549460314, now seen corresponding path program 1 times [2024-11-16 18:42:45,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:45,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394509008] [2024-11-16 18:42:45,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:45,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:42:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:42:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-16 18:42:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-16 18:42:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 18:42:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 18:42:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-16 18:42:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 18:42:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:42:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 18:42:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 18:42:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 18:42:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 18:42:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-16 18:42:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:45,886 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:45,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:42:45,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394509008] [2024-11-16 18:42:45,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394509008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:45,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:45,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 18:42:45,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311679942] [2024-11-16 18:42:45,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:45,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 18:42:45,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:42:45,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 18:42:45,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:42:45,888 INFO L87 Difference]: Start difference. First operand 369 states and 519 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:45,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:45,907 INFO L93 Difference]: Finished difference Result 735 states and 1035 transitions. [2024-11-16 18:42:45,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 18:42:45,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-16 18:42:45,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:45,910 INFO L225 Difference]: With dead ends: 735 [2024-11-16 18:42:45,910 INFO L226 Difference]: Without dead ends: 369 [2024-11-16 18:42:45,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 18:42:45,911 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:45,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:45,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-16 18:42:45,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2024-11-16 18:42:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 342 states have (on average 1.3742690058479532) internal successors, (470), 345 states have internal predecessors, (470), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-16 18:42:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 514 transitions. [2024-11-16 18:42:45,930 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 514 transitions. Word has length 136 [2024-11-16 18:42:45,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:45,930 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 514 transitions. [2024-11-16 18:42:45,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 514 transitions. [2024-11-16 18:42:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 18:42:45,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:45,932 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:45,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 18:42:45,932 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:45,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1901035111, now seen corresponding path program 1 times [2024-11-16 18:42:45,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:42:45,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172776922] [2024-11-16 18:42:45,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:42:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:42:46,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 18:42:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:42:46,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 18:42:46,155 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 18:42:46,157 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 18:42:46,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 18:42:46,163 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:42:46,231 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 18:42:46,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:42:46 BoogieIcfgContainer [2024-11-16 18:42:46,235 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 18:42:46,236 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 18:42:46,236 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 18:42:46,236 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 18:42:46,236 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:39" (3/4) ... [2024-11-16 18:42:46,238 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 18:42:46,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 18:42:46,240 INFO L158 Benchmark]: Toolchain (without parser) took 7856.85ms. Allocated memory was 132.1MB in the beginning and 343.9MB in the end (delta: 211.8MB). Free memory was 75.9MB in the beginning and 305.2MB in the end (delta: -229.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:42:46,240 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 132.1MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:42:46,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.85ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 103.5MB in the end (delta: -27.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-16 18:42:46,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.99ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 103.4MB in the beginning and 167.1MB in the end (delta: -63.7MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-16 18:42:46,241 INFO L158 Benchmark]: Boogie Preprocessor took 63.11ms. Allocated memory is still 197.1MB. Free memory was 167.1MB in the beginning and 163.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 18:42:46,241 INFO L158 Benchmark]: IcfgBuilder took 763.18ms. Allocated memory is still 197.1MB. Free memory was 162.9MB in the beginning and 125.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-16 18:42:46,241 INFO L158 Benchmark]: TraceAbstraction took 6538.48ms. Allocated memory was 197.1MB in the beginning and 343.9MB in the end (delta: 146.8MB). Free memory was 124.1MB in the beginning and 305.2MB in the end (delta: -181.1MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. [2024-11-16 18:42:46,241 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 343.9MB. Free memory is still 305.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:42:46,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 132.1MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.85ms. Allocated memory is still 132.1MB. Free memory was 75.6MB in the beginning and 103.5MB in the end (delta: -27.8MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.99ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 103.4MB in the beginning and 167.1MB in the end (delta: -63.7MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.11ms. Allocated memory is still 197.1MB. Free memory was 167.1MB in the beginning and 163.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 763.18ms. Allocated memory is still 197.1MB. Free memory was 162.9MB in the beginning and 125.1MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6538.48ms. Allocated memory was 197.1MB in the beginning and 343.9MB in the end (delta: 146.8MB). Free memory was 124.1MB in the beginning and 305.2MB in the end (delta: -181.1MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 343.9MB. Free memory is still 305.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 107. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 1, 63.75, 255.75, 10, 4, -10, 4.75, 99.5, 255.9, 24.85, -2, 1629954775, 1928642731, 0, 5 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] FCALL updateLastVariables() [L115] CALL updateVariables() [L80] WrapperStruct00.var_1_2 = __VERIFIER_nondet_float() [L81] EXPR WrapperStruct00.var_1_2 [L81] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F [L81] EXPR WrapperStruct00.var_1_2 [L81] EXPR WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L81] EXPR (WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L81] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L81] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= 0.0F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L82] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L83] EXPR WrapperStruct00.var_1_3 [L83] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F [L83] EXPR WrapperStruct00.var_1_3 [L83] EXPR WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L83] EXPR (WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L83] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= 0.0F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] WrapperStruct00.var_1_5 = __VERIFIER_nondet_char() [L85] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L85] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L87] WrapperStruct00.var_1_6 = __VERIFIER_nondet_char() [L88] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L89] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L90] WrapperStruct00.var_1_7 = __VERIFIER_nondet_char() [L91] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L92] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L93] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L94] EXPR WrapperStruct00.var_1_9 [L94] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L94] EXPR WrapperStruct00.var_1_9 [L94] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L94] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L94] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L94] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L95] WrapperStruct00.var_1_10 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_10 [L96] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_10 [L96] EXPR WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_13 = __VERIFIER_nondet_long() [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 1073741822) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 1073741822) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] WrapperStruct00.var_1_15 = __VERIFIER_nondet_long() [L101] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 1073741823) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 1073741823) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 2147483646) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L102] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 2147483646) VAL [WrapperStruct00={4:0}, isInitial=1] [L115] RET updateVariables() [L116] CALL step() [L60] signed long int stepLocal_0 = -4; [L61] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-4] [L61] COND TRUE stepLocal_0 < WrapperStruct00.var_1_6 [L62] EXPR WrapperStruct00.var_1_9 [L62] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L62] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L62] EXPR WrapperStruct00.var_1_9 [L62] EXPR ((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) VAL [WrapperStruct00={4:0}, isInitial=1] [L62] WrapperStruct00.var_1_8 = ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L64] EXPR ((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR ((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10) VAL [WrapperStruct00={4:0}, isInitial=1] [L64] WrapperStruct00.var_1_11 = ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))) [L65] EXPR WrapperStruct00.var_1_5 [L65] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_5 [L66] EXPR WrapperStruct00.var_1_6 [L66] WrapperStruct00.var_1_19 = WrapperStruct00.var_1_6 [L67] EXPR WrapperStruct00.var_1_2 [L67] EXPR WrapperStruct00.var_1_3 [L67] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L67] COND TRUE (WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8) [L68] EXPR WrapperStruct00.var_1_5 [L68] EXPR WrapperStruct00.var_1_6 [L68] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1] [L68] EXPR (((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7) [L68] EXPR WrapperStruct00.var_1_5 [L68] EXPR WrapperStruct00.var_1_6 [L68] EXPR (((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7) VAL [WrapperStruct00={4:0}, isInitial=1] [L68] WrapperStruct00.var_1_1 = (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))) [L72] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1] [L72] EXPR WrapperStruct00.var_1_6 | 5 VAL [WrapperStruct00={4:0}, isInitial=1] [L72] signed long int stepLocal_1 = WrapperStruct00.var_1_6 | 5; [L73] EXPR WrapperStruct00.var_1_5 [L73] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_1=5] [L73] EXPR ((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7) [L73] EXPR WrapperStruct00.var_1_5 [L73] EXPR ((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_1=5] [L73] COND FALSE !(stepLocal_1 <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) [L76] EXPR WrapperStruct00.var_1_6 [L76] EXPR WrapperStruct00.var_1_19 [L76] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L76] EXPR ((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19) [L76] EXPR WrapperStruct00.var_1_19 [L76] EXPR ((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19) VAL [WrapperStruct00={4:0}, isInitial=1] [L76] EXPR WrapperStruct00.var_1_19 [L76] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR WrapperStruct00.var_1_2 [L107] EXPR WrapperStruct00.var_1_3 [L107] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5)) [L107] EXPR WrapperStruct00.var_1_1 [L107] EXPR WrapperStruct00.var_1_5 [L107] EXPR ((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR ((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)))))) && (WrapperStruct00.var_1_18 == ((signed short int) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107] EXPR (((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)))))) && (WrapperStruct00.var_1_18 == ((signed short int) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_19 == ((unsigned short int) WrapperStruct00.var_1_6)) VAL [WrapperStruct00={4:0}, isInitial=1] [L107-L108] return (((((((WrapperStruct00.var_1_2 - WrapperStruct00.var_1_3) <= (- WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((signed char) (((((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_5 - WrapperStruct00.var_1_6)) : (WrapperStruct00.var_1_7))))) : (WrapperStruct00.var_1_1 == ((signed char) WrapperStruct00.var_1_5))) && ((-4 < WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((float) ((((WrapperStruct00.var_1_9) < (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10))))) : 1)) && (WrapperStruct00.var_1_11 == ((float) ((((WrapperStruct00.var_1_9) > (WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_10)))))) && (((WrapperStruct00.var_1_6 | 5) <= ((((WrapperStruct00.var_1_5) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_7)))) ? (WrapperStruct00.var_1_12 == ((signed long int) (((((WrapperStruct00.var_1_6) < ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19))) ? (WrapperStruct00.var_1_6) : ((WrapperStruct00.var_1_13 - WrapperStruct00.var_1_19)))) - (WrapperStruct00.var_1_15 - ((((WrapperStruct00.var_1_5) < 0 ) ? -(WrapperStruct00.var_1_5) : (WrapperStruct00.var_1_5))))))) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_6 + (((((WrapperStruct00.var_1_19) < (WrapperStruct00.var_1_19)) ? (WrapperStruct00.var_1_19) : (WrapperStruct00.var_1_19))) - WrapperStruct00.var_1_19)))))) && (WrapperStruct00.var_1_18 == ((signed short int) WrapperStruct00.var_1_5))) && (WrapperStruct00.var_1_19 == ((unsigned short int) WrapperStruct00.var_1_6)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 563 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 562 mSDsluCounter, 3357 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2341 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1531 IncrementalHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1016 mSDtfsCounter, 1531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=369occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 98 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 794 ConstructedInterpolants, 0 QuantifiedInterpolants, 1249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2184/2184 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 18:42:46,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-28.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:42:48,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:42:48,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 18:42:48,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:42:48,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:42:48,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:42:48,346 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:42:48,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:42:48,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:42:48,348 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:42:48,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:42:48,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:42:48,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:42:48,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:42:48,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:42:48,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:42:48,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:42:48,353 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:42:48,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:42:48,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:42:48,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:42:48,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:42:48,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:42:48,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:42:48,354 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:42:48,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:42:48,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:42:48,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:42:48,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:42:48,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:42:48,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:42:48,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:42:48,356 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 18:42:48,356 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 18:42:48,356 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:42:48,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:42:48,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:42:48,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:42:48,359 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1d78d248c74132bd311292745f8a4e0496a51de00b4b221480ef3ff016a6c65 [2024-11-16 18:42:48,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:42:48,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:42:48,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:42:48,665 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:42:48,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:42:48,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i [2024-11-16 18:42:50,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:42:50,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:42:50,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-28.i [2024-11-16 18:42:50,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e34d99d/321da084ae974bb98f4a5d472dde9ba8/FLAG19e5a581a [2024-11-16 18:42:50,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42e34d99d/321da084ae974bb98f4a5d472dde9ba8 [2024-11-16 18:42:50,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:42:50,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:42:50,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:42:50,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:42:50,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:42:50,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aabc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50, skipping insertion in model container [2024-11-16 18:42:50,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:42:50,597 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-28.i[916,929] [2024-11-16 18:42:50,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:42:50,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:42:50,694 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-28.i[916,929] [2024-11-16 18:42:50,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:42:50,762 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:42:50,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50 WrapperNode [2024-11-16 18:42:50,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:42:50,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:42:50,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:42:50,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:42:50,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,836 INFO L138 Inliner]: procedures = 37, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 551 [2024-11-16 18:42:50,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:42:50,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:42:50,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:42:50,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:42:50,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,860 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,886 INFO L175 MemorySlicer]: Split 153 memory accesses to 2 slices as follows [2, 151]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 33 writes are split as follows [0, 33]. [2024-11-16 18:42:50,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:42:50,919 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:42:50,920 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:42:50,920 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:42:50,921 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (1/1) ... [2024-11-16 18:42:50,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:42:50,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:42:50,963 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 18:42:50,967 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 18:42:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:42:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-16 18:42:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-16 18:42:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 18:42:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 18:42:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-16 18:42:51,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-16 18:42:51,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:42:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:42:51,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 18:42:51,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 18:42:51,140 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:42:51,141 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:42:52,574 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc property_#t~mem100#1;havoc property_#t~mem101#1;havoc property_#t~mem102#1;havoc property_#t~ite113#1;havoc property_#t~mem110#1;havoc property_#t~mem103#1;havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~ite109#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~mem108#1;havoc property_#t~mem112#1;havoc property_#t~mem111#1;havoc property_#t~mem114#1;havoc property_#t~ite121#1;havoc property_#t~mem120#1;havoc property_#t~mem115#1;havoc property_#t~mem116#1;havoc property_#t~ite119#1;havoc property_#t~mem117#1;havoc property_#t~mem118#1;havoc property_#t~short122#1;havoc property_#t~mem128#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~ite127#1;havoc property_#t~mem125#1;havoc property_#t~mem126#1;havoc property_#t~short129#1;havoc property_#t~mem130#1;havoc property_#t~mem131#1;havoc property_#t~mem132#1;havoc property_#t~ite135#1;havoc property_#t~mem133#1;havoc property_#t~mem134#1;havoc property_#t~ite157#1;havoc property_#t~mem148#1;havoc property_#t~mem138#1;havoc property_#t~mem136#1;havoc property_#t~mem137#1;havoc property_#t~ite142#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~mem141#1;havoc property_#t~mem147#1;havoc property_#t~mem143#1;havoc property_#t~ite146#1;havoc property_#t~mem144#1;havoc property_#t~mem145#1;havoc property_#t~mem156#1;havoc property_#t~mem155#1;havoc property_#t~mem149#1;havoc property_#t~mem150#1;havoc property_#t~ite153#1;havoc property_#t~mem151#1;havoc property_#t~mem152#1;havoc property_#t~mem154#1;havoc property_#t~short158#1;havoc property_#t~mem160#1;havoc property_#t~mem159#1;havoc property_#t~short161#1;havoc property_#t~mem163#1;havoc property_#t~mem162#1;havoc property_#t~short164#1; [2024-11-16 18:42:52,639 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-16 18:42:52,639 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:42:52,655 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:42:52,656 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:42:52,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:52 BoogieIcfgContainer [2024-11-16 18:42:52,659 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:42:52,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:42:52,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:42:52,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:42:52,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:42:50" (1/3) ... [2024-11-16 18:42:52,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbe50ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:42:52, skipping insertion in model container [2024-11-16 18:42:52,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:42:50" (2/3) ... [2024-11-16 18:42:52,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dbe50ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:42:52, skipping insertion in model container [2024-11-16 18:42:52,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:42:52" (3/3) ... [2024-11-16 18:42:52,667 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-28.i [2024-11-16 18:42:52,681 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:42:52,681 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:42:52,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:42:52,758 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;@7bca68ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:42:52,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:42:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:52,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-16 18:42:52,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:52,780 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:52,781 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:52,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:52,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1522535179, now seen corresponding path program 1 times [2024-11-16 18:42:52,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:52,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773448498] [2024-11-16 18:42:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:52,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:52,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:52,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 18:42:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:53,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 18:42:53,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2024-11-16 18:42:53,259 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:42:53,259 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:42:53,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773448498] [2024-11-16 18:42:53,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773448498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:53,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:53,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:42:53,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568372737] [2024-11-16 18:42:53,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:53,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:42:53,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:42:53,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:42:53,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:42:53,294 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4158415841584158) internal successors, (143), 102 states have internal predecessors, (143), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:53,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:53,328 INFO L93 Difference]: Finished difference Result 228 states and 349 transitions. [2024-11-16 18:42:53,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:42:53,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-16 18:42:53,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:53,339 INFO L225 Difference]: With dead ends: 228 [2024-11-16 18:42:53,339 INFO L226 Difference]: Without dead ends: 113 [2024-11-16 18:42:53,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 18:42:53,344 INFO L432 NwaCegarLoop]: 163 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, 163 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 18:42:53,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:53,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-16 18:42:53,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-16 18:42:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2024-11-16 18:42:53,392 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 130 [2024-11-16 18:42:53,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:53,393 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2024-11-16 18:42:53,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-11-16 18:42:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-16 18:42:53,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:53,396 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:53,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 18:42:53,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:53,598 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:53,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:53,598 INFO L85 PathProgramCache]: Analyzing trace with hash -631864149, now seen corresponding path program 1 times [2024-11-16 18:42:53,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:53,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619847616] [2024-11-16 18:42:53,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:53,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:53,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:53,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:53,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 18:42:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:53,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 18:42:53,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:54,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:42:54,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:42:54,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619847616] [2024-11-16 18:42:54,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619847616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:54,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:54,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:42:54,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877739767] [2024-11-16 18:42:54,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:54,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:54,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:42:54,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:54,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:54,051 INFO L87 Difference]: Start difference. First operand 113 states and 163 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:54,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:54,173 INFO L93 Difference]: Finished difference Result 230 states and 333 transitions. [2024-11-16 18:42:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:42:54,180 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-16 18:42:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:54,181 INFO L225 Difference]: With dead ends: 230 [2024-11-16 18:42:54,181 INFO L226 Difference]: Without dead ends: 120 [2024-11-16 18:42:54,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:54,185 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 1 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:54,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 759 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:42:54,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-16 18:42:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2024-11-16 18:42:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:54,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 169 transitions. [2024-11-16 18:42:54,197 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 169 transitions. Word has length 130 [2024-11-16 18:42:54,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:54,199 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 169 transitions. [2024-11-16 18:42:54,199 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 169 transitions. [2024-11-16 18:42:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-16 18:42:54,201 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:54,201 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:54,213 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 18:42:54,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:54,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:54,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1110946186, now seen corresponding path program 1 times [2024-11-16 18:42:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:54,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759896358] [2024-11-16 18:42:54,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:54,411 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:54,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:54,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:54,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-16 18:42:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:54,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-16 18:42:54,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:54,870 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:42:54,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:42:54,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759896358] [2024-11-16 18:42:54,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759896358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:54,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:54,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:42:54,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83407499] [2024-11-16 18:42:54,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:54,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 18:42:54,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:42:54,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 18:42:54,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:54,872 INFO L87 Difference]: Start difference. First operand 119 states and 169 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:54,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:54,946 INFO L93 Difference]: Finished difference Result 238 states and 339 transitions. [2024-11-16 18:42:54,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:42:54,946 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-16 18:42:54,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:54,948 INFO L225 Difference]: With dead ends: 238 [2024-11-16 18:42:54,948 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:42:54,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 18:42:54,953 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:54,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 904 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:42:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:42:54,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-16 18:42:54,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 171 transitions. [2024-11-16 18:42:54,961 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 171 transitions. Word has length 130 [2024-11-16 18:42:54,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:54,961 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 171 transitions. [2024-11-16 18:42:54,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 171 transitions. [2024-11-16 18:42:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-16 18:42:54,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:54,963 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:54,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-16 18:42:55,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:55,165 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:55,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1139575337, now seen corresponding path program 1 times [2024-11-16 18:42:55,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:55,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62079082] [2024-11-16 18:42:55,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:55,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:55,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:55,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:55,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-16 18:42:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:55,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 18:42:55,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:55,575 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 95 treesize of output 41 [2024-11-16 18:42:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:55,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:42:55,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:42:55,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62079082] [2024-11-16 18:42:55,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62079082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:55,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:55,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:42:55,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875568603] [2024-11-16 18:42:55,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:55,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:55,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:42:55,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:55,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:55,609 INFO L87 Difference]: Start difference. First operand 121 states and 171 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:57,040 INFO L93 Difference]: Finished difference Result 240 states and 340 transitions. [2024-11-16 18:42:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:42:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-16 18:42:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:57,042 INFO L225 Difference]: With dead ends: 240 [2024-11-16 18:42:57,042 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:42:57,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:42:57,044 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 157 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:57,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 469 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 18:42:57,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:42:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-16 18:42:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 170 transitions. [2024-11-16 18:42:57,060 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 170 transitions. Word has length 130 [2024-11-16 18:42:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:57,060 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 170 transitions. [2024-11-16 18:42:57,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions. [2024-11-16 18:42:57,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-16 18:42:57,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:57,062 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:57,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-16 18:42:57,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:57,263 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:57,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:57,263 INFO L85 PathProgramCache]: Analyzing trace with hash 154604619, now seen corresponding path program 1 times [2024-11-16 18:42:57,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:57,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133276271] [2024-11-16 18:42:57,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:57,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:57,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:57,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:57,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-16 18:42:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:57,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 18:42:57,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:57,680 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 95 treesize of output 41 [2024-11-16 18:42:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-16 18:42:57,701 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:42:57,701 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:42:57,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133276271] [2024-11-16 18:42:57,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133276271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:57,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:57,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:42:57,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290293337] [2024-11-16 18:42:57,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:57,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:42:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:42:57,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:42:57,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:42:57,702 INFO L87 Difference]: Start difference. First operand 121 states and 170 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:58,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:58,723 INFO L93 Difference]: Finished difference Result 240 states and 338 transitions. [2024-11-16 18:42:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:42:58,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-16 18:42:58,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:58,724 INFO L225 Difference]: With dead ends: 240 [2024-11-16 18:42:58,724 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 18:42:58,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:42:58,726 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 145 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:58,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 464 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 18:42:58,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 18:42:58,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2024-11-16 18:42:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:58,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 169 transitions. [2024-11-16 18:42:58,732 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 169 transitions. Word has length 132 [2024-11-16 18:42:58,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:58,732 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 169 transitions. [2024-11-16 18:42:58,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 18:42:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 169 transitions. [2024-11-16 18:42:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:42:58,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:58,736 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:58,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-16 18:42:58,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:58,937 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:58,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:58,937 INFO L85 PathProgramCache]: Analyzing trace with hash -154830167, now seen corresponding path program 1 times [2024-11-16 18:42:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922116355] [2024-11-16 18:42:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:58,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:58,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:58,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:58,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-16 18:42:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:42:59,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-16 18:42:59,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:42:59,419 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 21 treesize of output 9 [2024-11-16 18:42:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:42:59,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:42:59,445 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:42:59,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922116355] [2024-11-16 18:42:59,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922116355] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:42:59,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:42:59,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 18:42:59,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357873470] [2024-11-16 18:42:59,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:42:59,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 18:42:59,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:42:59,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 18:42:59,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 18:42:59,449 INFO L87 Difference]: Start difference. First operand 121 states and 169 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:59,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:42:59,479 INFO L93 Difference]: Finished difference Result 239 states and 335 transitions. [2024-11-16 18:42:59,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 18:42:59,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-11-16 18:42:59,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:42:59,481 INFO L225 Difference]: With dead ends: 239 [2024-11-16 18:42:59,481 INFO L226 Difference]: Without dead ends: 121 [2024-11-16 18:42:59,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 132 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 18:42:59,482 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:42:59,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 314 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:42:59,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-16 18:42:59,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-16 18:42:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:42:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 168 transitions. [2024-11-16 18:42:59,489 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 168 transitions. Word has length 134 [2024-11-16 18:42:59,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:42:59,489 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 168 transitions. [2024-11-16 18:42:59,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:42:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 168 transitions. [2024-11-16 18:42:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:42:59,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:42:59,495 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:59,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-16 18:42:59,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:59,696 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:42:59,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:42:59,697 INFO L85 PathProgramCache]: Analyzing trace with hash -999302038, now seen corresponding path program 1 times [2024-11-16 18:42:59,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:42:59,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756261459] [2024-11-16 18:42:59,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:42:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:42:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:42:59,699 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:42:59,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-16 18:43:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:00,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-16 18:43:00,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:43:00,163 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 19 treesize of output 1 [2024-11-16 18:43:00,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 26 treesize of output 25 [2024-11-16 18:43:00,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:00,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:00,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:00,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:00,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:00,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:00,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:00,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:00,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:00,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 14 [2024-11-16 18:43:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 197 proven. 27 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-16 18:43:00,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:43:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-16 18:43:01,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:43:01,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756261459] [2024-11-16 18:43:01,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756261459] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 18:43:01,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 18:43:01,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-16 18:43:01,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081806503] [2024-11-16 18:43:01,157 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 18:43:01,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 18:43:01,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:43:01,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 18:43:01,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:43:01,159 INFO L87 Difference]: Start difference. First operand 121 states and 168 transitions. Second operand has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 6 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-16 18:43:02,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 18:43:03,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 18:43:05,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:05,241 INFO L93 Difference]: Finished difference Result 247 states and 339 transitions. [2024-11-16 18:43:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 18:43:05,242 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 6 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) Word has length 134 [2024-11-16 18:43:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:05,243 INFO L225 Difference]: With dead ends: 247 [2024-11-16 18:43:05,243 INFO L226 Difference]: Without dead ends: 129 [2024-11-16 18:43:05,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-11-16 18:43:05,244 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 307 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:05,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 344 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-16 18:43:05,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-16 18:43:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2024-11-16 18:43:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 111 states have (on average 1.3063063063063063) internal successors, (145), 111 states have internal predecessors, (145), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-16 18:43:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 173 transitions. [2024-11-16 18:43:05,253 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 173 transitions. Word has length 134 [2024-11-16 18:43:05,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:05,254 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 173 transitions. [2024-11-16 18:43:05,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.909090909090908) internal successors, (98), 13 states have internal predecessors, (98), 6 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 4 states have call predecessors, (24), 6 states have call successors, (24) [2024-11-16 18:43:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2024-11-16 18:43:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 18:43:05,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:05,255 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:05,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-16 18:43:05,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:43:05,456 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:05,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:05,456 INFO L85 PathProgramCache]: Analyzing trace with hash -484735544, now seen corresponding path program 1 times [2024-11-16 18:43:05,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:43:05,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192036620] [2024-11-16 18:43:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:05,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:43:05,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:43:05,458 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:43:05,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-16 18:43:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:05,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-16 18:43:05,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:43:05,995 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 8 treesize of output 1 [2024-11-16 18:43:06,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 31 treesize of output 15 [2024-11-16 18:43:06,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 26 treesize of output 25 [2024-11-16 18:43:06,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:06,273 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:06,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:06,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:06,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 28 [2024-11-16 18:43:06,602 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,603 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 49 [2024-11-16 18:43:06,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 61 [2024-11-16 18:43:06,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 74 treesize of output 64 [2024-11-16 18:43:06,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:06,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 45 [2024-11-16 18:43:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 201 proven. 33 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-16 18:43:06,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:43:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:43:06,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:43:06,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192036620] [2024-11-16 18:43:06,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192036620] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 18:43:06,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 18:43:06,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2024-11-16 18:43:06,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889059956] [2024-11-16 18:43:06,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:43:06,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:43:06,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:43:06,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:43:06,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 18:43:06,948 INFO L87 Difference]: Start difference. First operand 129 states and 173 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, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:43:08,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:43:08,495 INFO L93 Difference]: Finished difference Result 331 states and 444 transitions. [2024-11-16 18:43:08,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 18:43:08,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-16 18:43:08,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:43:08,496 INFO L225 Difference]: With dead ends: 331 [2024-11-16 18:43:08,496 INFO L226 Difference]: Without dead ends: 205 [2024-11-16 18:43:08,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-16 18:43:08,497 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 82 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:43:08,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 517 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 18:43:08,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-16 18:43:08,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 201. [2024-11-16 18:43:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 180 states have (on average 1.3222222222222222) internal successors, (238), 181 states have internal predecessors, (238), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:43:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 270 transitions. [2024-11-16 18:43:08,514 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 270 transitions. Word has length 136 [2024-11-16 18:43:08,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:43:08,515 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 270 transitions. [2024-11-16 18:43:08,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 18:43:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 270 transitions. [2024-11-16 18:43:08,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-16 18:43:08,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:43:08,516 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:08,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-16 18:43:08,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:43:08,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:43:08,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:43:08,717 INFO L85 PathProgramCache]: Analyzing trace with hash -162303418, now seen corresponding path program 1 times [2024-11-16 18:43:08,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:43:08,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171878116] [2024-11-16 18:43:08,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:43:08,718 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:43:08,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:43:08,719 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:43:08,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-16 18:43:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:43:32,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-16 18:43:32,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:43:32,458 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 8 treesize of output 1 [2024-11-16 18:43:32,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 78 treesize of output 32 [2024-11-16 18:43:33,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:33,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 63 [2024-11-16 18:43:34,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:34,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 131 treesize of output 73 [2024-11-16 18:43:34,607 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:34,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 86 [2024-11-16 18:43:35,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 89 [2024-11-16 18:43:36,501 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:36,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 216 treesize of output 122 [2024-11-16 18:43:36,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:36,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 216 treesize of output 122 [2024-11-16 18:43:37,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:37,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 216 treesize of output 122 [2024-11-16 18:43:38,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:38,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 294 treesize of output 164 [2024-11-16 18:43:39,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 36 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 319 treesize of output 167 [2024-11-16 18:43:45,908 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:45,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 387 treesize of output 195 [2024-11-16 18:43:53,792 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:53,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 391 treesize of output 195 [2024-11-16 18:43:54,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:43:54,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 453 treesize of output 159 [2024-11-16 18:43:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 220 proven. 72 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-16 18:43:56,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:44:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 18:44:05,542 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:44:05,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171878116] [2024-11-16 18:44:05,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171878116] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-16 18:44:05,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-16 18:44:05,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [30] total 34 [2024-11-16 18:44:05,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846965366] [2024-11-16 18:44:05,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:44:05,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 18:44:05,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:44:05,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 18:44:05,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 18:44:05,544 INFO L87 Difference]: Start difference. First operand 201 states and 270 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)