./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:58:26,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:58:26,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-06 03:58:26,289 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:58:26,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:58:26,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:58:26,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:58:26,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:58:26,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:58:26,323 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:58:26,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:58:26,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:58:26,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:58:26,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:58:26,325 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:58:26,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:58:26,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:58:26,325 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:58:26,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:58:26,326 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:58:26,326 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:58:26,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:58:26,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:58:26,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:58:26,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:26,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:58:26,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:58:26,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:58:26,329 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-jdk21/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 -> a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e [2025-02-06 03:58:26,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:58:26,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:58:26,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:58:26,617 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:58:26,617 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:58:26,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2025-02-06 03:58:27,936 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b7fb3e18/a5419ac4ec6b46cd86b6834ffb0c9923/FLAG0f3aa24c3 [2025-02-06 03:58:28,190 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:58:28,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2025-02-06 03:58:28,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b7fb3e18/a5419ac4ec6b46cd86b6834ffb0c9923/FLAG0f3aa24c3 [2025-02-06 03:58:28,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9b7fb3e18/a5419ac4ec6b46cd86b6834ffb0c9923 [2025-02-06 03:58:28,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:58:28,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:58:28,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:28,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:58:28,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:58:28,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a056f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28, skipping insertion in model container [2025-02-06 03:58:28,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:58:28,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2025-02-06 03:58:28,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:28,462 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:58:28,473 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2025-02-06 03:58:28,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:28,545 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:58:28,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28 WrapperNode [2025-02-06 03:58:28,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:28,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:28,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:58:28,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:58:28,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,622 INFO L138 Inliner]: procedures = 30, calls = 194, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 570 [2025-02-06 03:58:28,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:28,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:58:28,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:58:28,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:58:28,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,642 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,653 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 03:58:28,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,685 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:58:28,709 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:58:28,709 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:58:28,710 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:58:28,710 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (1/1) ... [2025-02-06 03:58:28,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:28,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:58:28,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 03:58:28,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 03:58:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:58:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:58:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 03:58:28,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:58:28,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:58:28,893 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:58:28,895 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:58:29,669 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: havoc property_#t~mem114#1;havoc property_#t~mem115#1;havoc property_#t~ite120#1;havoc property_#t~mem119#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~mem118#1;havoc property_#t~mem123#1;havoc property_#t~mem121#1;havoc property_#t~mem122#1;havoc property_#t~ite132#1;havoc property_#t~mem126#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~ite131#1;havoc property_#t~mem128#1;havoc property_#t~mem127#1;havoc property_#t~mem130#1;havoc property_#t~mem129#1;havoc property_#t~short133#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~short136#1;havoc property_#t~ite147#1;havoc property_#t~mem138#1;havoc property_#t~mem137#1;havoc property_#t~mem146#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~ite143#1;havoc property_#t~mem141#1;havoc property_#t~mem142#1;havoc property_#t~mem144#1;havoc property_#t~mem145#1;havoc property_#t~short148#1;havoc property_#t~mem149#1;havoc property_#t~mem150#1;havoc property_#t~ite163#1;havoc property_#t~mem153#1;havoc property_#t~mem151#1;havoc property_#t~mem152#1;havoc property_#t~ite160#1;havoc property_#t~mem156#1;havoc property_#t~mem154#1;havoc property_#t~mem155#1;havoc property_#t~mem157#1;havoc property_#t~ite159#1;havoc property_#t~mem158#1;havoc property_#t~mem162#1;havoc property_#t~mem161#1;havoc property_#t~short164#1; [2025-02-06 03:58:29,721 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2025-02-06 03:58:29,721 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:58:29,731 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:58:29,731 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:58:29,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:58:29 BoogieIcfgContainer [2025-02-06 03:58:29,732 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:58:29,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:58:29,735 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:58:29,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:58:29,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:58:28" (1/3) ... [2025-02-06 03:58:29,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b56289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:58:29, skipping insertion in model container [2025-02-06 03:58:29,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:28" (2/3) ... [2025-02-06 03:58:29,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b56289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:58:29, skipping insertion in model container [2025-02-06 03:58:29,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:58:29" (3/3) ... [2025-02-06 03:58:29,741 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-94.i [2025-02-06 03:58:29,753 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:58:29,755 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-94.i that has 2 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:58:29,800 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:58:29,816 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;@52925e92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:58:29,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:58:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 108 states have internal predecessors, (150), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 03:58:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 03:58:29,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:58:29,837 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:58:29,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:58:29,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:58:29,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1365705274, now seen corresponding path program 1 times [2025-02-06 03:58:29,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:58:29,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839016218] [2025-02-06 03:58:29,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:58:29,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:58:30,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 03:58:30,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 03:58:30,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:30,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:58:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2025-02-06 03:58:30,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 03:58:30,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839016218] [2025-02-06 03:58:30,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839016218] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:58:30,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:58:30,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 03:58:30,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584017246] [2025-02-06 03:58:30,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:58:30,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 03:58:30,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 03:58:30,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 03:58:30,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 03:58:30,644 INFO L87 Difference]: Start difference. First operand has 135 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 108 states have internal predecessors, (150), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 03:58:30,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:58:30,720 INFO L93 Difference]: Finished difference Result 266 states and 423 transitions. [2025-02-06 03:58:30,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 03:58:30,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2025-02-06 03:58:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:58:30,730 INFO L225 Difference]: With dead ends: 266 [2025-02-06 03:58:30,730 INFO L226 Difference]: Without dead ends: 134 [2025-02-06 03:58:30,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 03:58:30,739 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 0 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 03:58:30,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 568 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:58:30,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-06 03:58:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-06 03:58:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 03:58:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 197 transitions. [2025-02-06 03:58:30,782 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 197 transitions. Word has length 194 [2025-02-06 03:58:30,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:58:30,784 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 197 transitions. [2025-02-06 03:58:30,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 03:58:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2025-02-06 03:58:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 03:58:30,790 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:58:30,790 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:58:30,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 03:58:30,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:58:30,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:58:30,792 INFO L85 PathProgramCache]: Analyzing trace with hash -663109435, now seen corresponding path program 1 times [2025-02-06 03:58:30,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 03:58:30,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206666522] [2025-02-06 03:58:30,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:58:30,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 03:58:30,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 03:58:31,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 03:58:31,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:31,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:58:31,120 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 03:58:31,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 03:58:31,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 03:58:31,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:58:31,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 03:58:31,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 03:58:31,366 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 03:58:31,367 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-06 03:58:31,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 03:58:31,372 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-06 03:58:31,436 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 03:58:31,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 03:58:31 BoogieIcfgContainer [2025-02-06 03:58:31,440 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 03:58:31,440 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 03:58:31,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 03:58:31,441 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 03:58:31,441 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:58:29" (3/4) ... [2025-02-06 03:58:31,443 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-06 03:58:31,444 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 03:58:31,445 INFO L158 Benchmark]: Toolchain (without parser) took 3232.40ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 54.0MB in the end (delta: 67.9MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2025-02-06 03:58:31,445 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 192.9MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:31,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.34ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 103.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 03:58:31,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.23ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 99.1MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 03:58:31,446 INFO L158 Benchmark]: Boogie Preprocessor took 85.44ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 95.5MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:31,447 INFO L158 Benchmark]: IcfgBuilder took 1022.93ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 59.2MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-06 03:58:31,447 INFO L158 Benchmark]: TraceAbstraction took 1705.00ms. Allocated memory is still 167.8MB. Free memory was 58.7MB in the beginning and 54.0MB in the end (delta: 4.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2025-02-06 03:58:31,448 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 167.8MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 03:58:31,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 192.9MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.34ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 103.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.23ms. Allocated memory is still 167.8MB. Free memory was 103.2MB in the beginning and 99.1MB in the end (delta: 4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.44ms. Allocated memory is still 167.8MB. Free memory was 99.1MB in the beginning and 95.5MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1022.93ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 59.2MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1705.00ms. Allocated memory is still 167.8MB. Free memory was 58.7MB in the beginning and 54.0MB in the end (delta: 4.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 167.8MB. Free memory was 54.0MB in the beginning and 54.0MB in the end (delta: 24.1kB). 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 69, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 100. Possible FailurePath: [L43] unsigned char isInitial = 0; [L44-L64] struct WrapperStruct00 WrapperStruct00 = { 63.4, 25.2, 3.75, 0.0, 63.4, 3.7, 0, 63.75, 0, 0, -64, -32, 2, -4, -25, 5, -2, 2, 16 }; VAL [WrapperStruct00={4:0}, isInitial=0] [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] FCALL updateLastVariables() [L147] CALL updateVariables() [L95] WrapperStruct00.var_1_2 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct00.var_1_2 [L96] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F [L96] EXPR WrapperStruct00.var_1_2 [L96] EXPR WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L96] EXPR (WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L96] CALL assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L96] RET assume_abort_if_not((WrapperStruct00.var_1_2 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_2 <= -1.0e-20F) || (WrapperStruct00.var_1_2 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_2 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L97] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L98] EXPR WrapperStruct00.var_1_3 [L98] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L98] EXPR WrapperStruct00.var_1_3 [L98] EXPR WrapperStruct00.var_1_3 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L98] 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] [L98] 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] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L98] 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] [L99] WrapperStruct00.var_1_4 = __VERIFIER_nondet_double() [L100] EXPR WrapperStruct00.var_1_4 [L100] EXPR WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F [L100] EXPR WrapperStruct00.var_1_4 [L100] EXPR WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L100] EXPR (WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L100] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L100] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L101] WrapperStruct00.var_1_5 = __VERIFIER_nondet_double() [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L102] EXPR WrapperStruct00.var_1_5 [L102] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L102] EXPR (WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L102] CALL assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L102] RET assume_abort_if_not((WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F) || (WrapperStruct00.var_1_5 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_5 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L103] WrapperStruct00.var_1_6 = __VERIFIER_nondet_double() [L104] EXPR WrapperStruct00.var_1_6 [L104] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L104] EXPR WrapperStruct00.var_1_6 [L104] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L104] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L104] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L104] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L105] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L106] EXPR WrapperStruct00.var_1_8 [L106] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L106] EXPR WrapperStruct00.var_1_8 [L106] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L106] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && 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] [L106] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && 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] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L106] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && 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] [L107] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_8 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L107] RET assume_abort_if_not(WrapperStruct00.var_1_8 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1] [L108] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L109] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L110] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L111] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L113] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L114] WrapperStruct00.var_1_12 = __VERIFIER_nondet_char() [L115] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1] [L116] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1] [L117] WrapperStruct00.var_1_13 = __VERIFIER_nondet_char() [L118] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L119] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L120] WrapperStruct00.var_1_14 = __VERIFIER_nondet_char() [L121] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1] [L122] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1] [L123] WrapperStruct00.var_1_15 = __VERIFIER_nondet_char() [L124] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L124] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L124] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1] [L125] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1] [L125] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 32) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L125] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 32) VAL [WrapperStruct00={4:0}, isInitial=1] [L126] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L127] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L127] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L127] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -31) VAL [WrapperStruct00={4:0}, isInitial=1] [L128] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1] [L128] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 31) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L128] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 31) VAL [WrapperStruct00={4:0}, isInitial=1] [L129] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L130] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L130] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L130] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L131] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1] [L131] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 128) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L131] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 128) VAL [WrapperStruct00={4:0}, isInitial=1] [L132] WrapperStruct00.var_1_19 = __VERIFIER_nondet_uchar() [L133] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L133] CALL assume_abort_if_not(WrapperStruct00.var_1_19 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L133] RET assume_abort_if_not(WrapperStruct00.var_1_19 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L134] EXPR WrapperStruct00.var_1_19 VAL [WrapperStruct00={4:0}, isInitial=1] [L134] CALL assume_abort_if_not(WrapperStruct00.var_1_19 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L134] RET assume_abort_if_not(WrapperStruct00.var_1_19 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1] [L147] RET updateVariables() [L148] CALL step() [L68] EXPR WrapperStruct00.var_1_2 [L68] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L68] COND TRUE WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3 [L69] EXPR WrapperStruct00.var_1_4 [L69] EXPR WrapperStruct00.var_1_5 [L69] EXPR WrapperStruct00.var_1_6 [L69] WrapperStruct00.var_1_1 = ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6) [L71] EXPR WrapperStruct00.var_1_5 [L71] EXPR WrapperStruct00.var_1_1 [L71] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1] [L71] COND FALSE !(WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) [L78] EXPR WrapperStruct00.var_1_10 [L78] WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9 [L78] EXPR WrapperStruct00.var_1_9 [L78] WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1] [L78] COND TRUE WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9 [L79] EXPR WrapperStruct00.var_1_12 [L79] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_12 [L83] EXPR WrapperStruct00.var_1_15 [L83] signed char stepLocal_0 = WrapperStruct00.var_1_15; [L84] EXPR WrapperStruct00.var_1_6 [L84] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=-30] [L84] COND FALSE !(WrapperStruct00.var_1_6 > WrapperStruct00.var_1_5) [L91] EXPR WrapperStruct00.var_1_13 [L91] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_13 [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR WrapperStruct00.var_1_2 [L139] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR (WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1 [L139] EXPR WrapperStruct00.var_1_1 [L139] EXPR WrapperStruct00.var_1_4 [L139] EXPR WrapperStruct00.var_1_5 [L139] EXPR WrapperStruct00.var_1_6 [L139] EXPR (WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR ((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR (((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((signed char) WrapperStruct00.var_1_12)) : (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14))) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16))))) VAL [WrapperStruct00={4:0}, isInitial=1] [L139] EXPR ((((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((signed char) WrapperStruct00.var_1_12)) : (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14))) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)))))) && ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_1 != (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (((WrapperStruct00.var_1_11 % (WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_17 == ((signed long int) -64)) : 1) : 1) : (WrapperStruct00.var_1_17 == ((signed long int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1] [L139-L140] return ((((WrapperStruct00.var_1_2 != WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_1 == ((double) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) - WrapperStruct00.var_1_6))) : 1) && ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_1 / WrapperStruct00.var_1_4)) ? ((WrapperStruct00.var_1_5 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_9)) : (WrapperStruct00.var_1_7 == ((unsigned char) WrapperStruct00.var_1_10))) : 1)) && ((WrapperStruct00.var_1_10 || WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_11 == ((signed char) WrapperStruct00.var_1_12)) : (WrapperStruct00.var_1_11 == ((signed char) (((((WrapperStruct00.var_1_13) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_13) : (WrapperStruct00.var_1_14))) + (WrapperStruct00.var_1_15 + WrapperStruct00.var_1_16)))))) && ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_5) ? ((WrapperStruct00.var_1_1 != (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_8)) ? (((WrapperStruct00.var_1_11 % (WrapperStruct00.var_1_18 + WrapperStruct00.var_1_19)) > WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_17 == ((signed long int) -64)) : 1) : 1) : (WrapperStruct00.var_1_17 == ((signed long int) WrapperStruct00.var_1_13))) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 135 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 568 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 375 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 193 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, InterpolantAutomatonStates: 4, 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: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1200/1200 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 [2025-02-06 03:58:31,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 03:58:33,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 03:58:33,763 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-06 03:58:33,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 03:58:33,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 03:58:33,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 03:58:33,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 03:58:33,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 03:58:33,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 03:58:33,803 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 03:58:33,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 03:58:33,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 03:58:33,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 03:58:33,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 03:58:33,804 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 03:58:33,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 03:58:33,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 03:58:33,805 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 03:58:33,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-06 03:58:33,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-06 03:58:33,807 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 03:58:33,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 03:58:33,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 03:58:33,807 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 03:58:33,807 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 03:58:33,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 03:58:33,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 03:58:33,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 03:58:33,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:33,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 03:58:33,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 03:58:33,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 03:58:33,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 03:58:33,810 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-jdk21/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 -> a5f0317af52cc82bc24ec4c0dcba72d9b11913e24fcb181969888911c340930e [2025-02-06 03:58:34,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 03:58:34,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 03:58:34,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 03:58:34,118 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 03:58:34,120 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 03:58:34,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2025-02-06 03:58:35,377 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b579a579c/02791ae355934d51af9de6b104d065c7/FLAG04895cd1d [2025-02-06 03:58:35,624 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 03:58:35,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i [2025-02-06 03:58:35,632 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b579a579c/02791ae355934d51af9de6b104d065c7/FLAG04895cd1d [2025-02-06 03:58:35,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b579a579c/02791ae355934d51af9de6b104d065c7 [2025-02-06 03:58:35,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 03:58:35,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 03:58:35,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:35,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 03:58:35,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 03:58:35,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:35" (1/1) ... [2025-02-06 03:58:35,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6597c663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:35, skipping insertion in model container [2025-02-06 03:58:35,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 03:58:35" (1/1) ... [2025-02-06 03:58:35,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 03:58:35,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2025-02-06 03:58:35,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:35,920 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 03:58:35,934 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-94.i[916,929] [2025-02-06 03:58:36,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 03:58:36,031 INFO L204 MainTranslator]: Completed translation [2025-02-06 03:58:36,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36 WrapperNode [2025-02-06 03:58:36,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 03:58:36,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:36,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 03:58:36,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 03:58:36,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,111 INFO L138 Inliner]: procedures = 37, calls = 194, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 564 [2025-02-06 03:58:36,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 03:58:36,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 03:58:36,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 03:58:36,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 03:58:36,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,161 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2025-02-06 03:58:36,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 03:58:36,204 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 03:58:36,204 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 03:58:36,204 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 03:58:36,205 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (1/1) ... [2025-02-06 03:58:36,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 03:58:36,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 03:58:36,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 03:58:36,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 03:58:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 03:58:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-06 03:58:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-06 03:58:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2025-02-06 03:58:36,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-06 03:58:36,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 03:58:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 03:58:36,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-06 03:58:36,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-06 03:58:36,394 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 03:58:36,395 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 03:59:26,886 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: havoc property_#t~mem114#1;havoc property_#t~mem115#1;havoc property_#t~ite120#1;havoc property_#t~mem119#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~mem118#1;havoc property_#t~mem123#1;havoc property_#t~mem121#1;havoc property_#t~mem122#1;havoc property_#t~ite132#1;havoc property_#t~mem126#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~ite131#1;havoc property_#t~mem128#1;havoc property_#t~mem127#1;havoc property_#t~mem130#1;havoc property_#t~mem129#1;havoc property_#t~short133#1;havoc property_#t~mem134#1;havoc property_#t~mem135#1;havoc property_#t~short136#1;havoc property_#t~ite147#1;havoc property_#t~mem138#1;havoc property_#t~mem137#1;havoc property_#t~mem146#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~ite143#1;havoc property_#t~mem141#1;havoc property_#t~mem142#1;havoc property_#t~mem144#1;havoc property_#t~mem145#1;havoc property_#t~short148#1;havoc property_#t~mem149#1;havoc property_#t~mem150#1;havoc property_#t~ite163#1;havoc property_#t~mem153#1;havoc property_#t~mem151#1;havoc property_#t~mem152#1;havoc property_#t~ite160#1;havoc property_#t~mem156#1;havoc property_#t~mem154#1;havoc property_#t~mem155#1;havoc property_#t~mem157#1;havoc property_#t~ite159#1;havoc property_#t~mem158#1;havoc property_#t~mem162#1;havoc property_#t~mem161#1;havoc property_#t~short164#1; [2025-02-06 03:59:26,943 INFO L? ?]: Removed 133 outVars from TransFormulas that were not future-live. [2025-02-06 03:59:26,944 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 03:59:26,959 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 03:59:26,960 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 03:59:26,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:59:26 BoogieIcfgContainer [2025-02-06 03:59:26,962 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 03:59:26,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 03:59:26,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 03:59:26,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 03:59:26,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 03:58:35" (1/3) ... [2025-02-06 03:59:26,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92be2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:59:26, skipping insertion in model container [2025-02-06 03:59:26,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 03:58:36" (2/3) ... [2025-02-06 03:59:26,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92be2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 03:59:26, skipping insertion in model container [2025-02-06 03:59:26,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 03:59:26" (3/3) ... [2025-02-06 03:59:26,973 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-94.i [2025-02-06 03:59:26,984 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 03:59:26,985 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-94.i that has 2 procedures, 135 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-06 03:59:27,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 03:59:27,051 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;@13d695c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 03:59:27,051 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 03:59:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 108 states have internal predecessors, (150), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 03:59:27,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 03:59:27,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:59:27,076 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:59:27,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:59:27,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:59:27,081 INFO L85 PathProgramCache]: Analyzing trace with hash -453549277, now seen corresponding path program 1 times [2025-02-06 03:59:27,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:59:27,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447267023] [2025-02-06 03:59:27,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:59:27,090 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 [2025-02-06 03:59:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:59:27,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/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) [2025-02-06 03:59:27,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 03:59:27,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 03:59:28,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 03:59:28,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:59:28,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:59:28,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 03:59:28,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:59:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2025-02-06 03:59:28,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:59:28,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 03:59:28,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447267023] [2025-02-06 03:59:28,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447267023] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:59:28,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:59:28,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 03:59:28,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174281053] [2025-02-06 03:59:28,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:59:28,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 03:59:28,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 03:59:28,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 03:59:28,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:59:28,437 INFO L87 Difference]: Start difference. First operand has 135 states, 107 states have (on average 1.4018691588785046) internal successors, (150), 108 states have internal predecessors, (150), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 03:59:28,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 03:59:28,477 INFO L93 Difference]: Finished difference Result 264 states and 420 transitions. [2025-02-06 03:59:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 03:59:28,480 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 194 [2025-02-06 03:59:28,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 03:59:28,487 INFO L225 Difference]: With dead ends: 264 [2025-02-06 03:59:28,487 INFO L226 Difference]: Without dead ends: 132 [2025-02-06 03:59:28,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 03:59:28,492 INFO L435 NwaCegarLoop]: 195 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, 195 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 [2025-02-06 03:59:28,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 03:59:28,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-06 03:59:28,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-02-06 03:59:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 03:59:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2025-02-06 03:59:28,539 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 194 [2025-02-06 03:59:28,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 03:59:28,539 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2025-02-06 03:59:28,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 03:59:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2025-02-06 03:59:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 03:59:28,545 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 03:59:28,545 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 03:59:28,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2025-02-06 03:59:28,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/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 [2025-02-06 03:59:28,746 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 03:59:28,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 03:59:28,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1498283690, now seen corresponding path program 1 times [2025-02-06 03:59:28,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-06 03:59:28,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553465921] [2025-02-06 03:59:28,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 03:59:28,747 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 [2025-02-06 03:59:28,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-06 03:59:28,754 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/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) [2025-02-06 03:59:28,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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 [2025-02-06 03:59:28,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 03:59:30,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 03:59:30,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 03:59:30,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 03:59:30,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 03:59:30,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 03:59:30,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 03:59:30,895 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 175 treesize of output 67 [2025-02-06 03:59:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2025-02-06 03:59:31,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 03:59:31,125 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-06 03:59:31,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553465921] [2025-02-06 03:59:31,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553465921] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 03:59:31,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 03:59:31,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 03:59:31,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665957797] [2025-02-06 03:59:31,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 03:59:31,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 03:59:31,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-06 03:59:31,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 03:59:31,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 03:59:31,132 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 5 states have internal predecessors, (75), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2025-02-06 03:59:33,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:37,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:41,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:43,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:48,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:52,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 03:59:56,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 04:00:00,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 04:00:04,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []