./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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-93.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 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 01:45:41,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 01:45:41,955 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-04 01:45:41,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 01:45:41,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 01:45:41,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 01:45:41,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 01:45:41,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 01:45:41,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 01:45:41,978 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 01:45:41,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 01:45:41,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 01:45:41,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 01:45:41,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 01:45:41,979 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 01:45:41,979 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 01:45:41,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 01:45:41,980 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e [2025-03-04 01:45:42,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 01:45:42,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 01:45:42,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 01:45:42,210 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 01:45:42,210 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 01:45:42,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-03-04 01:45:43,337 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28692b50f/5a20fc9e45614839815c19edbdc2e5ee/FLAG142135602 [2025-03-04 01:45:43,629 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 01:45:43,630 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-03-04 01:45:43,641 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28692b50f/5a20fc9e45614839815c19edbdc2e5ee/FLAG142135602 [2025-03-04 01:45:43,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28692b50f/5a20fc9e45614839815c19edbdc2e5ee [2025-03-04 01:45:43,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 01:45:43,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 01:45:43,662 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 01:45:43,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 01:45:43,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 01:45:43,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ff365b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43, skipping insertion in model container [2025-03-04 01:45:43,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,682 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 01:45:43,775 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-93.i[916,929] [2025-03-04 01:45:43,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 01:45:43,830 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 01:45:43,838 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-93.i[916,929] [2025-03-04 01:45:43,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 01:45:43,870 INFO L204 MainTranslator]: Completed translation [2025-03-04 01:45:43,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43 WrapperNode [2025-03-04 01:45:43,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 01:45:43,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 01:45:43,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 01:45:43,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 01:45:43,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,908 INFO L138 Inliner]: procedures = 30, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 553 [2025-03-04 01:45:43,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 01:45:43,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 01:45:43,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 01:45:43,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 01:45:43,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,926 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 01:45:43,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,948 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 01:45:43,964 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 01:45:43,965 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 01:45:43,965 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 01:45:43,965 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (1/1) ... [2025-03-04 01:45:43,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 01:45:43,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 01:45:43,991 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) [2025-03-04 01:45:43,993 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 [2025-03-04 01:45:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 01:45:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-04 01:45:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 01:45:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 01:45:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 01:45:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 01:45:44,113 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 01:45:44,114 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 01:45:44,470 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~ite118#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~ite110#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem111#1;havoc property_#t~ite116#1;havoc property_#t~mem113#1;havoc property_#t~mem112#1;havoc property_#t~mem115#1;havoc property_#t~mem114#1;havoc property_#t~mem117#1;havoc property_#t~mem126#1;havoc property_#t~mem119#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~ite125#1;havoc property_#t~mem122#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~ite130#1;havoc property_#t~mem127#1;havoc property_#t~mem129#1;havoc property_#t~mem128#1;havoc property_#t~short131#1;havoc property_#t~mem132#1;havoc property_#t~mem133#1;havoc property_#t~ite156#1;havoc property_#t~mem137#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~short136#1;havoc property_#t~mem138#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~mem141#1;havoc property_#t~ite144#1;havoc property_#t~mem142#1;havoc property_#t~mem143#1;havoc property_#t~mem145#1;havoc property_#t~ite152#1;havoc property_#t~mem146#1;havoc property_#t~mem147#1;havoc property_#t~ite150#1;havoc property_#t~mem148#1;havoc property_#t~mem149#1;havoc property_#t~mem151#1;havoc property_#t~ite155#1;havoc property_#t~mem154#1;havoc property_#t~mem153#1;havoc property_#t~short157#1; [2025-03-04 01:45:44,518 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2025-03-04 01:45:44,519 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 01:45:44,531 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 01:45:44,531 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 01:45:44,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:45:44 BoogieIcfgContainer [2025-03-04 01:45:44,532 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 01:45:44,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 01:45:44,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 01:45:44,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 01:45:44,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 01:45:43" (1/3) ... [2025-03-04 01:45:44,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e2a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:45:44, skipping insertion in model container [2025-03-04 01:45:44,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:43" (2/3) ... [2025-03-04 01:45:44,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e2a671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:45:44, skipping insertion in model container [2025-03-04 01:45:44,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:45:44" (3/3) ... [2025-03-04 01:45:44,539 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-93.i [2025-03-04 01:45:44,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 01:45:44,550 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-93.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 01:45:44,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 01:45:44,601 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;@461ef66f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 01:45:44,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 01:45:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 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) [2025-03-04 01:45:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 01:45:44,615 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 01:45:44,616 INFO L218 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] [2025-03-04 01:45:44,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 01:45:44,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 01:45:44,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2016014805, now seen corresponding path program 1 times [2025-03-04 01:45:44,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 01:45:44,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702192318] [2025-03-04 01:45:44,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 01:45:44,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 01:45:44,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 01:45:44,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 01:45:44,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 01:45:44,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 01:45:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-03-04 01:45:44,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 01:45:44,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702192318] [2025-03-04 01:45:44,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702192318] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 01:45:44,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014681893] [2025-03-04 01:45:44,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 01:45:44,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 01:45:44,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 01:45:44,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 01:45:44,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 01:45:45,051 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 01:45:45,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 01:45:45,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 01:45:45,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 01:45:45,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 01:45:45,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 01:45:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2025-03-04 01:45:45,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 01:45:45,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014681893] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 01:45:45,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 01:45:45,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 01:45:45,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033380756] [2025-03-04 01:45:45,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 01:45:45,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 01:45:45,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 01:45:45,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 01:45:45,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 01:45:45,170 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 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) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-03-04 01:45:45,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 01:45:45,189 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2025-03-04 01:45:45,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 01:45:45,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 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 126 [2025-03-04 01:45:45,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 01:45:45,195 INFO L225 Difference]: With dead ends: 230 [2025-03-04 01:45:45,195 INFO L226 Difference]: Without dead ends: 115 [2025-03-04 01:45:45,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 01:45:45,198 INFO L435 NwaCegarLoop]: 170 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, 170 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 [2025-03-04 01:45:45,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 01:45:45,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-04 01:45:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-03-04 01:45:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 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) [2025-03-04 01:45:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2025-03-04 01:45:45,224 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 126 [2025-03-04 01:45:45,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 01:45:45,224 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2025-03-04 01:45:45,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2025-03-04 01:45:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2025-03-04 01:45:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 01:45:45,226 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 01:45:45,226 INFO L218 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] [2025-03-04 01:45:45,233 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 01:45:45,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-04 01:45:45,428 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 01:45:45,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 01:45:45,429 INFO L85 PathProgramCache]: Analyzing trace with hash 486251633, now seen corresponding path program 1 times [2025-03-04 01:45:45,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 01:45:45,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361001628] [2025-03-04 01:45:45,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 01:45:45,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 01:45:45,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 01:45:45,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 01:45:45,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 01:45:45,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 01:45:45,556 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 01:45:45,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 01:45:45,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 01:45:45,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 01:45:45,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 01:45:45,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 01:45:45,682 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 01:45:45,683 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-04 01:45:45,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 01:45:45,686 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-04 01:45:45,731 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-04 01:45:45,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 01:45:45 BoogieIcfgContainer [2025-03-04 01:45:45,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-04 01:45:45,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-04 01:45:45,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-04 01:45:45,734 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-04 01:45:45,736 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:45:44" (3/4) ... [2025-03-04 01:45:45,738 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-04 01:45:45,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-04 01:45:45,739 INFO L158 Benchmark]: Toolchain (without parser) took 2078.36ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 43.9MB in the end (delta: 79.4MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2025-03-04 01:45:45,739 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 01:45:45,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.56ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 107.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-04 01:45:45,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.53ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 103.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 01:45:45,740 INFO L158 Benchmark]: Boogie Preprocessor took 54.42ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 100.8MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-04 01:45:45,741 INFO L158 Benchmark]: IcfgBuilder took 567.93ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 68.0MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-04 01:45:45,741 INFO L158 Benchmark]: TraceAbstraction took 1199.79ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 43.9MB in the end (delta: 23.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2025-03-04 01:45:45,742 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 167.8MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 01:45:45,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 116.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.56ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 107.7MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.53ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 103.9MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.42ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 100.8MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 567.93ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 68.0MB in the end (delta: 32.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.79ms. Allocated memory is still 167.8MB. Free memory was 67.2MB in the beginning and 43.9MB in the end (delta: 23.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 167.8MB. Free memory was 43.9MB in the beginning and 43.9MB in the end (delta: 33.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someUnaryDOUBLEoperation at line 39, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 79. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 255.3, -0.9, 128.5, 9.186, 31.75, 9.6, 499.2, 1.5, 0, 1, 0, 1 }; [L51] float last_1_WrapperStruct00_var_1_10 = 1.5; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_10=3/2] [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L103] EXPR WrapperStruct00.var_1_10 [L103] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L78] WrapperStruct00.var_1_3 = __VERIFIER_nondet_double() [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L79] EXPR WrapperStruct00.var_1_3 [L79] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && 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, last_1_WrapperStruct00_var_1_10=3/2] [L79] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && 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, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L79] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && 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, last_1_WrapperStruct00_var_1_10=3/2] [L80] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] CALL assume_abort_if_not(WrapperStruct00.var_1_3 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L80] RET assume_abort_if_not(WrapperStruct00.var_1_3 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L81] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L82] EXPR WrapperStruct00.var_1_5 [L82] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F [L82] EXPR WrapperStruct00.var_1_5 [L82] EXPR WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] EXPR (WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L82] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_5 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L83] RET assume_abort_if_not(WrapperStruct00.var_1_5 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L84] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct00.var_1_6 [L85] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L85] EXPR WrapperStruct00.var_1_6 [L85] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L85] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L86] WrapperStruct00.var_1_7 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct00.var_1_7 [L87] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F [L87] EXPR WrapperStruct00.var_1_7 [L87] EXPR WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] EXPR (WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L87] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= 0.0F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L88] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_8 [L89] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L89] EXPR WrapperStruct00.var_1_8 [L89] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L89] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L90] WrapperStruct00.var_1_9 = __VERIFIER_nondet_float() [L91] EXPR WrapperStruct00.var_1_9 [L91] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_9 [L91] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] 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, last_1_WrapperStruct00_var_1_10=3/2] [L91] 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, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L91] 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, last_1_WrapperStruct00_var_1_10=3/2] [L92] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L93] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L95] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L98] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L99] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L114] RET updateVariables() [L115] CALL step() [L55] EXPR WrapperStruct00.var_1_3 [L55] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L55] COND FALSE !(((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) [L62] WrapperStruct00.var_1_1 = 64.51f VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] EXPR WrapperStruct00.var_1_1 [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR WrapperStruct00.var_1_5 [L64] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] EXPR (((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)) [L64] EXPR WrapperStruct00.var_1_9 [L64] EXPR (((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L64] COND TRUE WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1)))) [L65] WrapperStruct00.var_1_10 = 1.00000000000004E13f VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L69] EXPR WrapperStruct00.var_1_3 [L69] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L69] COND TRUE ! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10) [L70] EXPR WrapperStruct00.var_1_12 [L70] EXPR WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_13 [L70] EXPR WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L70] WrapperStruct00.var_1_11 = (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR WrapperStruct00.var_1_3 [L106] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR (((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f)) [L106] EXPR WrapperStruct00.var_1_1 [L106] EXPR (((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR ((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106] EXPR (((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9)))) && ((! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13))) : (((WrapperStruct00.var_1_7 / WrapperStruct00.var_1_3) < ((((((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) < (WrapperStruct00.var_1_5)) ? (((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) : (WrapperStruct00.var_1_5)))) ? (WrapperStruct00.var_1_11 == ((unsigned char) WrapperStruct00.var_1_14)) : 1)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L106-L107] return (((((- last_1_WrapperStruct00_var_1_10) / WrapperStruct00.var_1_3) != (last_1_WrapperStruct00_var_1_10 / WrapperStruct00.var_1_5)) ? ((last_1_WrapperStruct00_var_1_10 != (((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))) - WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_9))) : (WrapperStruct00.var_1_1 == ((float) 64.51f))) && ((WrapperStruct00.var_1_1 > (((((WrapperStruct00.var_1_9 * 128.4)) > ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))) ? ((WrapperStruct00.var_1_9 * 128.4)) : ((WrapperStruct00.var_1_5 * WrapperStruct00.var_1_1))))) ? (WrapperStruct00.var_1_10 == ((float) 1.00000000000004E13f)) : (WrapperStruct00.var_1_10 == ((float) WrapperStruct00.var_1_9)))) && ((! (WrapperStruct00.var_1_3 <= WrapperStruct00.var_1_10)) ? (WrapperStruct00.var_1_11 == ((unsigned char) (WrapperStruct00.var_1_12 && WrapperStruct00.var_1_13))) : (((WrapperStruct00.var_1_7 / WrapperStruct00.var_1_3) < ((((((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) < (WrapperStruct00.var_1_5)) ? (((((WrapperStruct00.var_1_8) > (WrapperStruct00.var_1_6)) ? (WrapperStruct00.var_1_8) : (WrapperStruct00.var_1_6)))) : (WrapperStruct00.var_1_5)))) ? (WrapperStruct00.var_1_11 == ((unsigned char) WrapperStruct00.var_1_14)) : 1)) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=3/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 170 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 170 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-04 01:45:45,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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/21.0.5-tem/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_1.6.800.v20240513-1750.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-93.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 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 01:45:47,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 01:45:47,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-04 01:45:47,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 01:45:47,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 01:45:47,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 01:45:47,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 01:45:47,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 01:45:47,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 01:45:47,579 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 01:45:47,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 01:45:47,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 01:45:47,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 01:45:47,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 01:45:47,581 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 01:45:47,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 01:45:47,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 01:45:47,581 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 01:45:47,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 01:45:47,582 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 01:45:47,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 01:45:47,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 01:45:47,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 01:45:47,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 01:45:47,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 01:45:47,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 01:45:47,584 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 5cffec752d7227a7c562d34741b774370eecd95bc2cbcd3f61eafcd9579c5c4e [2025-03-04 01:45:47,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 01:45:47,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 01:45:47,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 01:45:47,825 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 01:45:47,825 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 01:45:47,826 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-03-04 01:45:48,964 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea67b76c8/dbc370032a1c4040a3bd764ed77c1418/FLAG1da40a9d2 [2025-03-04 01:45:49,133 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 01:45:49,134 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-93.i [2025-03-04 01:45:49,142 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea67b76c8/dbc370032a1c4040a3bd764ed77c1418/FLAG1da40a9d2 [2025-03-04 01:45:49,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea67b76c8/dbc370032a1c4040a3bd764ed77c1418 [2025-03-04 01:45:49,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 01:45:49,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 01:45:49,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 01:45:49,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 01:45:49,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 01:45:49,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737e0689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49, skipping insertion in model container [2025-03-04 01:45:49,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 01:45:49,619 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-93.i[916,929] [2025-03-04 01:45:49,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 01:45:49,684 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 01:45:49,693 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-93.i[916,929] [2025-03-04 01:45:49,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 01:45:49,747 INFO L204 MainTranslator]: Completed translation [2025-03-04 01:45:49,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49 WrapperNode [2025-03-04 01:45:49,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 01:45:49,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 01:45:49,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 01:45:49,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 01:45:49,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,796 INFO L138 Inliner]: procedures = 34, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2025-03-04 01:45:49,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 01:45:49,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 01:45:49,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 01:45:49,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 01:45:49,802 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,822 INFO L175 MemorySlicer]: Split 139 memory accesses to 2 slices as follows [2, 137]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 29 writes are split as follows [0, 29]. [2025-03-04 01:45:49,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,839 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 01:45:49,849 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 01:45:49,849 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 01:45:49,849 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 01:45:49,850 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (1/1) ... [2025-03-04 01:45:49,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 01:45:49,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 01:45:49,875 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) [2025-03-04 01:45:49,877 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 [2025-03-04 01:45:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 01:45:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-03-04 01:45:49,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 01:45:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 01:45:49,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2025-03-04 01:45:49,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2025-03-04 01:45:49,996 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 01:45:49,997 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 01:46:48,139 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L106: havoc property_#t~mem104#1;havoc property_#t~mem105#1;havoc property_#t~ite118#1;havoc property_#t~mem106#1;havoc property_#t~mem107#1;havoc property_#t~ite110#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem111#1;havoc property_#t~ite116#1;havoc property_#t~mem113#1;havoc property_#t~mem112#1;havoc property_#t~mem115#1;havoc property_#t~mem114#1;havoc property_#t~mem117#1;havoc property_#t~mem126#1;havoc property_#t~mem119#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~ite125#1;havoc property_#t~mem122#1;havoc property_#t~mem123#1;havoc property_#t~mem124#1;havoc property_#t~ite130#1;havoc property_#t~mem127#1;havoc property_#t~mem129#1;havoc property_#t~mem128#1;havoc property_#t~short131#1;havoc property_#t~mem132#1;havoc property_#t~mem133#1;havoc property_#t~ite156#1;havoc property_#t~mem137#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~short136#1;havoc property_#t~mem138#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~mem141#1;havoc property_#t~ite144#1;havoc property_#t~mem142#1;havoc property_#t~mem143#1;havoc property_#t~mem145#1;havoc property_#t~ite152#1;havoc property_#t~mem146#1;havoc property_#t~mem147#1;havoc property_#t~ite150#1;havoc property_#t~mem148#1;havoc property_#t~mem149#1;havoc property_#t~mem151#1;havoc property_#t~ite155#1;havoc property_#t~mem154#1;havoc property_#t~mem153#1;havoc property_#t~short157#1; [2025-03-04 01:46:48,177 INFO L? ?]: Removed 162 outVars from TransFormulas that were not future-live. [2025-03-04 01:46:48,177 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 01:46:48,184 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 01:46:48,184 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 01:46:48,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:46:48 BoogieIcfgContainer [2025-03-04 01:46:48,184 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 01:46:48,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 01:46:48,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 01:46:48,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 01:46:48,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 01:45:49" (1/3) ... [2025-03-04 01:46:48,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e189ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:46:48, skipping insertion in model container [2025-03-04 01:46:48,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 01:45:49" (2/3) ... [2025-03-04 01:46:48,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21e189ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 01:46:48, skipping insertion in model container [2025-03-04 01:46:48,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 01:46:48" (3/3) ... [2025-03-04 01:46:48,192 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-93.i [2025-03-04 01:46:48,201 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 01:46:48,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-93.i that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 01:46:48,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 01:46:48,250 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;@1b4d3cd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 01:46:48,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 01:46:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 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) [2025-03-04 01:46:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 01:46:48,265 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 01:46:48,266 INFO L218 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] [2025-03-04 01:46:48,266 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 01:46:48,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 01:46:48,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1260275353, now seen corresponding path program 1 times [2025-03-04 01:46:48,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 01:46:48,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434441026] [2025-03-04 01:46:48,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 01:46:48,281 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 [2025-03-04 01:46:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 01:46:48,284 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) [2025-03-04 01:46:48,286 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 [2025-03-04 01:46:48,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 01:46:51,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 01:46:51,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 01:46:51,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 01:46:51,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 01:46:51,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 01:46:51,171 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2025-03-04 01:46:51,172 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 01:46:51,173 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 01:46:51,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434441026] [2025-03-04 01:46:51,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434441026] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 01:46:51,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 01:46:51,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 01:46:51,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157875744] [2025-03-04 01:46:51,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 01:46:51,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 01:46:51,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 01:46:51,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 01:46:51,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 01:46:51,194 INFO L87 Difference]: Start difference. First operand has 118 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 102 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) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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) [2025-03-04 01:46:51,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 01:46:51,221 INFO L93 Difference]: Finished difference Result 230 states and 359 transitions. [2025-03-04 01:46:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 01:46:51,223 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 126 [2025-03-04 01:46:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 01:46:51,229 INFO L225 Difference]: With dead ends: 230 [2025-03-04 01:46:51,229 INFO L226 Difference]: Without dead ends: 115 [2025-03-04 01:46:51,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 01:46:51,235 INFO L435 NwaCegarLoop]: 170 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, 170 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 [2025-03-04 01:46:51,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 01:46:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-03-04 01:46:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-03-04 01:46:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 99 states have (on average 1.4343434343434343) internal successors, (142), 99 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) [2025-03-04 01:46:51,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 170 transitions. [2025-03-04 01:46:51,295 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 170 transitions. Word has length 126 [2025-03-04 01:46:51,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 01:46:51,296 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 170 transitions. [2025-03-04 01:46:51,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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) [2025-03-04 01:46:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2025-03-04 01:46:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-04 01:46:51,302 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 01:46:51,302 INFO L218 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] [2025-03-04 01:46:51,372 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 (2)] Forceful destruction successful, exit code 0 [2025-03-04 01:46:51,502 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 [2025-03-04 01:46:51,503 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 01:46:51,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 01:46:51,503 INFO L85 PathProgramCache]: Analyzing trace with hash -532425505, now seen corresponding path program 1 times [2025-03-04 01:46:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-04 01:46:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432595913] [2025-03-04 01:46:51,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 01:46:51,504 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 [2025-03-04 01:46:51,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-04 01:46:51,506 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) [2025-03-04 01:46:51,507 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 [2025-03-04 01:46:51,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-04 01:46:54,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-04 01:46:54,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 01:46:54,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 01:46:54,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 01:46:54,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 01:46:57,120 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-04 01:46:57,121 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 173 treesize of output 65 [2025-03-04 01:46:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-03-04 01:46:57,765 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 01:46:57,765 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-04 01:46:57,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432595913] [2025-03-04 01:46:57,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432595913] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 01:46:57,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 01:46:57,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 01:46:57,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327412660] [2025-03-04 01:46:57,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 01:46:57,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 01:46:57,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-04 01:46:57,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 01:46:57,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-04 01:46:57,768 INFO L87 Difference]: Start difference. First operand 115 states and 170 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 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) [2025-03-04 01:46:58,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 01:47:08,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 01:47:12,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 01:47:16,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 01:47:20,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 01:47:25,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 01:47:29,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []