./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cc757866639008b8de2bb637453380004a1f2541632c98c93ed486e64a84677 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:50:21,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:50:21,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 18:50:21,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:50:21,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:50:21,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:50:21,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:50:21,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:50:21,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:50:21,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:50:21,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:50:21,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:50:21,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:50:21,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:50:21,862 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:50:21,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:50:21,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:50:21,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:50:21,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 18:50:21,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:50:21,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:50:21,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:50:21,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:50:21,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:50:21,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:50:21,866 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:50:21,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:50:21,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:50:21,867 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:50:21,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:50:21,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:50:21,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:50:21,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:50:21,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:50:21,869 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:50:21,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:50:21,870 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 18:50:21,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 18:50:21,870 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:50:21,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:50:21,871 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:50:21,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:50:21,872 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cc757866639008b8de2bb637453380004a1f2541632c98c93ed486e64a84677 [2024-11-16 18:50:22,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:50:22,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:50:22,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:50:22,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:50:22,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:50:22,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i [2024-11-16 18:50:23,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:50:23,812 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:50:23,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i [2024-11-16 18:50:23,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d918621e/415a64d93cf0496bb2d7cfd9e0838ab5/FLAGd921134f5 [2024-11-16 18:50:23,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d918621e/415a64d93cf0496bb2d7cfd9e0838ab5 [2024-11-16 18:50:23,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:50:23,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:50:23,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:50:23,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:50:23,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:50:23,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:50:23" (1/1) ... [2024-11-16 18:50:23,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b810b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:23, skipping insertion in model container [2024-11-16 18:50:23,862 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:50:23" (1/1) ... [2024-11-16 18:50:23,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:50:24,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i[916,929] [2024-11-16 18:50:24,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:50:24,172 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:50:24,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i[916,929] [2024-11-16 18:50:24,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:50:24,280 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:50:24,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24 WrapperNode [2024-11-16 18:50:24,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:50:24,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:50:24,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:50:24,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:50:24,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,357 INFO L138 Inliner]: procedures = 30, calls = 149, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 475 [2024-11-16 18:50:24,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:50:24,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:50:24,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:50:24,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:50:24,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,401 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-16 18:50:24,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,422 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:50:24,449 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:50:24,449 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:50:24,449 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:50:24,450 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (1/1) ... [2024-11-16 18:50:24,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:50:24,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:50:24,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:50:24,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:50:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:50:24,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-16 18:50:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-16 18:50:24,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-16 18:50:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 18:50:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-16 18:50:24,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 18:50:24,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:50:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:50:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 18:50:24,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:50:24,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:50:24,699 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:50:24,702 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:50:25,239 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc property_#t~mem83#1;havoc property_#t~mem89#1;havoc property_#t~mem84#1;havoc property_#t~mem85#1;havoc property_#t~mem86#1;havoc property_#t~ite88#1;havoc property_#t~mem87#1;havoc property_#t~short90#1;havoc property_#t~mem91#1;havoc property_#t~mem92#1;havoc property_#t~mem93#1;havoc property_#t~bitwise94#1;havoc property_#t~ite108#1;havoc property_#t~mem107#1;havoc property_#t~mem99#1;havoc property_#t~mem95#1;havoc property_#t~ite98#1;havoc property_#t~mem96#1;havoc property_#t~mem97#1;havoc property_#t~ite105#1;havoc property_#t~mem100#1;havoc property_#t~mem101#1;havoc property_#t~ite104#1;havoc property_#t~mem102#1;havoc property_#t~mem103#1;havoc property_#t~mem106#1;havoc property_#t~short109#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~bitwise114#1;havoc property_#t~ite127#1;havoc property_#t~mem119#1;havoc property_#t~mem115#1;havoc property_#t~ite118#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~mem120#1;havoc property_#t~mem121#1;havoc property_#t~ite126#1;havoc property_#t~mem124#1;havoc property_#t~mem122#1;havoc property_#t~mem123#1;havoc property_#t~mem125#1;havoc property_#t~short128#1;havoc property_#t~mem130#1;havoc property_#t~mem129#1;havoc property_#t~short131#1; [2024-11-16 18:50:25,327 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-16 18:50:25,328 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:50:25,388 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:50:25,388 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:50:25,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:50:25 BoogieIcfgContainer [2024-11-16 18:50:25,389 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:50:25,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:50:25,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:50:25,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:50:25,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:50:23" (1/3) ... [2024-11-16 18:50:25,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3756d3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:50:25, skipping insertion in model container [2024-11-16 18:50:25,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:24" (2/3) ... [2024-11-16 18:50:25,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3756d3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:50:25, skipping insertion in model container [2024-11-16 18:50:25,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:50:25" (3/3) ... [2024-11-16 18:50:25,403 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-95.i [2024-11-16 18:50:25,418 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:50:25,419 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:50:25,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:50:25,486 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;@fbed207, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:50:25,487 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:50:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:50:25,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:25,504 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:25,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:25,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:25,510 INFO L85 PathProgramCache]: Analyzing trace with hash -628762687, now seen corresponding path program 1 times [2024-11-16 18:50:25,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:50:25,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988802464] [2024-11-16 18:50:25,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:50:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:50:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:50:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 18:50:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:50:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:50:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 18:50:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:50:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 18:50:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:50:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:50:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 18:50:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 18:50:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:50:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:50:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:50:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:50:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:26,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:50:26,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988802464] [2024-11-16 18:50:26,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988802464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:26,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:26,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:50:26,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49777945] [2024-11-16 18:50:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:26,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:50:26,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:50:26,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:50:26,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:50:26,088 INFO L87 Difference]: Start difference. First operand has 117 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 99 states have internal predecessors, (138), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:26,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:26,139 INFO L93 Difference]: Finished difference Result 226 states and 349 transitions. [2024-11-16 18:50:26,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:50:26,143 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2024-11-16 18:50:26,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:26,152 INFO L225 Difference]: With dead ends: 226 [2024-11-16 18:50:26,152 INFO L226 Difference]: Without dead ends: 112 [2024-11-16 18:50:26,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:50:26,161 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:26,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:50:26,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-16 18:50:26,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-16 18:50:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.3404255319148937) internal successors, (126), 94 states have internal predecessors, (126), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2024-11-16 18:50:26,210 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 134 [2024-11-16 18:50:26,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:26,211 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2024-11-16 18:50:26,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:26,211 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2024-11-16 18:50:26,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:50:26,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:26,215 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:26,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 18:50:26,215 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:26,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:26,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1555770129, now seen corresponding path program 1 times [2024-11-16 18:50:26,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:50:26,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4184346] [2024-11-16 18:50:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:26,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:50:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:50:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:50:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 18:50:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:50:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:50:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 18:50:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:50:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 18:50:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:50:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:50:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 18:50:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 18:50:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:50:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:50:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:50:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:50:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:26,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:50:26,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4184346] [2024-11-16 18:50:26,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4184346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:26,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:26,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:50:26,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915880097] [2024-11-16 18:50:26,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:26,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:50:26,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:50:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:50:26,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:50:26,660 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:26,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:26,743 INFO L93 Difference]: Finished difference Result 223 states and 316 transitions. [2024-11-16 18:50:26,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:50:26,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2024-11-16 18:50:26,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:26,746 INFO L225 Difference]: With dead ends: 223 [2024-11-16 18:50:26,746 INFO L226 Difference]: Without dead ends: 114 [2024-11-16 18:50:26,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:50:26,752 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:26,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 445 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 18:50:26,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-16 18:50:26,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-16 18:50:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 96 states have internal predecessors, (128), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2024-11-16 18:50:26,776 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 134 [2024-11-16 18:50:26,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:26,777 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2024-11-16 18:50:26,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2024-11-16 18:50:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-16 18:50:26,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:26,785 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:26,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 18:50:26,786 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:26,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:26,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1657388880, now seen corresponding path program 1 times [2024-11-16 18:50:26,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:50:26,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171432607] [2024-11-16 18:50:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:50:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:50:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:50:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 18:50:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:50:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:50:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 18:50:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:50:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 18:50:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:50:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:50:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 18:50:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 18:50:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:50:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:50:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:50:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:50:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:27,540 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:27,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:50:27,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171432607] [2024-11-16 18:50:27,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171432607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:27,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:27,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 18:50:27,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470328776] [2024-11-16 18:50:27,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:27,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 18:50:27,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:50:27,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 18:50:27,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 18:50:27,546 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:27,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:27,812 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2024-11-16 18:50:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 18:50:27,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 134 [2024-11-16 18:50:27,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:27,818 INFO L225 Difference]: With dead ends: 227 [2024-11-16 18:50:27,819 INFO L226 Difference]: Without dead ends: 116 [2024-11-16 18:50:27,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 18:50:27,824 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 64 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:27,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 288 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 18:50:27,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-16 18:50:27,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2024-11-16 18:50:27,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 96 states have (on average 1.3229166666666667) internal successors, (127), 96 states have internal predecessors, (127), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:27,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2024-11-16 18:50:27,844 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 134 [2024-11-16 18:50:27,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:27,845 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2024-11-16 18:50:27,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:27,845 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2024-11-16 18:50:27,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-16 18:50:27,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:27,851 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:27,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 18:50:27,851 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:27,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:27,852 INFO L85 PathProgramCache]: Analyzing trace with hash 56233202, now seen corresponding path program 1 times [2024-11-16 18:50:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:50:27,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795618207] [2024-11-16 18:50:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:27,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:50:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:50:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:50:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 18:50:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:50:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:50:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 18:50:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:50:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 18:50:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:50:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:50:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 18:50:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 18:50:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:50:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:50:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:50:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:50:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-16 18:50:29,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:50:29,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795618207] [2024-11-16 18:50:29,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795618207] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 18:50:29,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562893847] [2024-11-16 18:50:29,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:29,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:50:29,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:50:29,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 18:50:29,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 18:50:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:30,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-16 18:50:30,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:31,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-16 18:50:31,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-16 18:50:31,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-16 18:50:31,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-16 18:50:31,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-16 18:50:31,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-16 18:50:31,480 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:50:31,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 28 [2024-11-16 18:50:31,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:50:31,540 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 35 treesize of output 15 [2024-11-16 18:50:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 199 proven. 33 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-16 18:50:31,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 18:50:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2024-11-16 18:50:31,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562893847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 18:50:31,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 18:50:31,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 8] total 17 [2024-11-16 18:50:31,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146697338] [2024-11-16 18:50:31,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 18:50:31,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 18:50:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:50:31,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 18:50:31,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-16 18:50:31,941 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 17 states, 15 states have (on average 6.2) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 3 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-16 18:50:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:33,199 INFO L93 Difference]: Finished difference Result 265 states and 366 transitions. [2024-11-16 18:50:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 18:50:33,200 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.2) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 3 states have call predecessors, (39), 5 states have call successors, (39) Word has length 136 [2024-11-16 18:50:33,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:33,205 INFO L225 Difference]: With dead ends: 265 [2024-11-16 18:50:33,205 INFO L226 Difference]: Without dead ends: 154 [2024-11-16 18:50:33,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=458, Unknown=0, NotChecked=0, Total=600 [2024-11-16 18:50:33,207 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 190 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:33,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 683 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 18:50:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-16 18:50:33,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 149. [2024-11-16 18:50:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 126 states have (on average 1.3174603174603174) internal successors, (166), 127 states have internal predecessors, (166), 19 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (19), 18 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-16 18:50:33,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 204 transitions. [2024-11-16 18:50:33,234 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 204 transitions. Word has length 136 [2024-11-16 18:50:33,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:33,236 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 204 transitions. [2024-11-16 18:50:33,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.2) internal successors, (93), 17 states have internal predecessors, (93), 5 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (39), 3 states have call predecessors, (39), 5 states have call successors, (39) [2024-11-16 18:50:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 204 transitions. [2024-11-16 18:50:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:50:33,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:33,240 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:33,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 18:50:33,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:50:33,441 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:33,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:33,441 INFO L85 PathProgramCache]: Analyzing trace with hash 204419055, now seen corresponding path program 1 times [2024-11-16 18:50:33,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:50:33,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581585512] [2024-11-16 18:50:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:33,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:50:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 18:50:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-16 18:50:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 18:50:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 18:50:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 18:50:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 18:50:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 18:50:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 18:50:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 18:50:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 18:50:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-16 18:50:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-16 18:50:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-16 18:50:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 18:50:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 18:50:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 18:50:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:34,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 18:50:34,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581585512] [2024-11-16 18:50:34,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581585512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:34,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:34,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 18:50:34,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737728140] [2024-11-16 18:50:34,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:34,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:50:34,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 18:50:34,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:50:34,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:50:34,657 INFO L87 Difference]: Start difference. First operand 149 states and 204 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:35,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:35,254 INFO L93 Difference]: Finished difference Result 360 states and 488 transitions. [2024-11-16 18:50:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:50:35,254 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 137 [2024-11-16 18:50:35,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:35,257 INFO L225 Difference]: With dead ends: 360 [2024-11-16 18:50:35,259 INFO L226 Difference]: Without dead ends: 239 [2024-11-16 18:50:35,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-16 18:50:35,260 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 207 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:35,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 432 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 18:50:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-16 18:50:35,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 188. [2024-11-16 18:50:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 150 states have (on average 1.2733333333333334) internal successors, (191), 150 states have internal predecessors, (191), 32 states have call successors, (32), 5 states have call predecessors, (32), 5 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 18:50:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 255 transitions. [2024-11-16 18:50:35,281 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 255 transitions. Word has length 137 [2024-11-16 18:50:35,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:35,281 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 255 transitions. [2024-11-16 18:50:35,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 255 transitions. [2024-11-16 18:50:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 18:50:35,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:35,283 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:35,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 18:50:35,283 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:35,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:35,283 INFO L85 PathProgramCache]: Analyzing trace with hash -89249811, now seen corresponding path program 1 times [2024-11-16 18:50:35,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 18:50:35,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608655658] [2024-11-16 18:50:35,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:35,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 18:50:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-16 18:50:35,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801949685] [2024-11-16 18:50:35,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:35,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 18:50:35,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:50:35,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 18:50:35,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-16 18:50:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:50:36,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 18:50:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 18:50:37,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 18:50:37,281 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 18:50:37,282 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 18:50:37,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 18:50:37,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-16 18:50:37,487 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-16 18:50:37,551 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 18:50:37,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:50:37 BoogieIcfgContainer [2024-11-16 18:50:37,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 18:50:37,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 18:50:37,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 18:50:37,555 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 18:50:37,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:50:25" (3/4) ... [2024-11-16 18:50:37,558 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 18:50:37,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 18:50:37,560 INFO L158 Benchmark]: Toolchain (without parser) took 13708.63ms. Allocated memory was 159.4MB in the beginning and 302.0MB in the end (delta: 142.6MB). Free memory was 102.7MB in the beginning and 174.8MB in the end (delta: -72.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-11-16 18:50:37,560 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:50:37,560 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.06ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 84.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-16 18:50:37,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.66ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 79.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 18:50:37,561 INFO L158 Benchmark]: Boogie Preprocessor took 86.73ms. Allocated memory is still 159.4MB. Free memory was 79.6MB in the beginning and 76.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 18:50:37,562 INFO L158 Benchmark]: IcfgBuilder took 940.24ms. Allocated memory is still 159.4MB. Free memory was 76.0MB in the beginning and 124.1MB in the end (delta: -48.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-16 18:50:37,562 INFO L158 Benchmark]: TraceAbstraction took 12161.11ms. Allocated memory was 159.4MB in the beginning and 302.0MB in the end (delta: 142.6MB). Free memory was 123.5MB in the beginning and 174.8MB in the end (delta: -51.3MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2024-11-16 18:50:37,562 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 302.0MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 18:50:37,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.06ms. Allocated memory is still 159.4MB. Free memory was 102.7MB in the beginning and 84.3MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.66ms. Allocated memory is still 159.4MB. Free memory was 84.3MB in the beginning and 79.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.73ms. Allocated memory is still 159.4MB. Free memory was 79.6MB in the beginning and 76.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 940.24ms. Allocated memory is still 159.4MB. Free memory was 76.0MB in the beginning and 124.1MB in the end (delta: -48.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12161.11ms. Allocated memory was 159.4MB in the beginning and 302.0MB in the end (delta: 142.6MB). Free memory was 123.5MB in the beginning and 174.8MB in the end (delta: -51.3MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 302.0MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryArithmeticFLOAToperation at line 60. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { -64, 1.8, 8.54, 255.8, 50.4, 0, 8, 32, 5, 2, 0, 16, -1, -16 }; [L55] unsigned char last_1_WrapperStruct00_var_1_7 = 0; VAL [WrapperStruct00={4:0}, isInitial=0, last_1_WrapperStruct00_var_1_7=0] [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] EXPR WrapperStruct00.var_1_7 [L104] last_1_WrapperStruct00_var_1_7 = WrapperStruct00.var_1_7 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L77] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L78] EXPR WrapperStruct00.var_1_4 [L78] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F [L78] EXPR WrapperStruct00.var_1_4 [L78] EXPR WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L78] EXPR (WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L78] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L78] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= 0.0F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L79] WrapperStruct00.var_1_5 = __VERIFIER_nondet_float() [L80] EXPR WrapperStruct00.var_1_5 [L80] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F [L80] EXPR WrapperStruct00.var_1_5 [L80] EXPR WrapperStruct00.var_1_5 >= 0.0F && WrapperStruct00.var_1_5 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L80] 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, last_1_WrapperStruct00_var_1_7=0] [L80] 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, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L80] 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, last_1_WrapperStruct00_var_1_7=0] [L81] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L82] EXPR WrapperStruct00.var_1_6 [L82] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F [L82] EXPR WrapperStruct00.var_1_6 [L82] EXPR WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L82] EXPR (WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L82] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L82] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= 0.0F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L83] WrapperStruct00.var_1_8 = __VERIFIER_nondet_ulong() [L84] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L84] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L84] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L85] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L85] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L86] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L87] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L88] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L89] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L90] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L91] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L92] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L93] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L94] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L95] WrapperStruct00.var_1_14 = __VERIFIER_nondet_ulong() [L96] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L97] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L98] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_14 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_14 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L99] WrapperStruct00.var_1_17 = __VERIFIER_nondet_char() [L100] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L101] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L115] RET updateVariables() [L116] CALL step() [L59] WrapperStruct00.var_1_1 = ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))) [L60] EXPR WrapperStruct00.var_1_4 [L60] EXPR WrapperStruct00.var_1_5 [L60] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L60] EXPR ((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L60] WrapperStruct00.var_1_3 = ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f))))) [L61] EXPR WrapperStruct00.var_1_17 [L61] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_17 [L62] EXPR WrapperStruct00.var_1_16 [L62] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L62] EXPR WrapperStruct00.var_1_16 & WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L62] signed long int stepLocal_0 = WrapperStruct00.var_1_16 & WrapperStruct00.var_1_1; [L63] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0, stepLocal_0=0] [L63] COND TRUE (- (3351680781u - WrapperStruct00.var_1_8)) > stepLocal_0 [L64] EXPR WrapperStruct00.var_1_10 [L64] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L64] EXPR ((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11) [L64] EXPR WrapperStruct00.var_1_11 [L64] EXPR ((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L64] EXPR ((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) [L64] EXPR WrapperStruct00.var_1_10 [L64] EXPR ((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L64] EXPR WrapperStruct00.var_1_12 [L64] WrapperStruct00.var_1_7 = (((((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))) + WrapperStruct00.var_1_12) [L66] EXPR WrapperStruct00.var_1_16 [L66] EXPR WrapperStruct00.var_1_14 [L66] EXPR WrapperStruct00.var_1_7 [L66] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L66] EXPR WrapperStruct00.var_1_7 >> WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L66] COND FALSE !((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_14) < (WrapperStruct00.var_1_7 >> WrapperStruct00.var_1_7)) [L69] EXPR WrapperStruct00.var_1_16 [L69] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L69] COND TRUE WrapperStruct00.var_1_16 >= WrapperStruct00.var_1_1 [L70] EXPR WrapperStruct00.var_1_12 [L70] EXPR WrapperStruct00.var_1_11 [L70] WrapperStruct00.var_1_13 = (-5 + (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_11)) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR WrapperStruct00.var_1_1 [L107] EXPR (WrapperStruct00.var_1_1 == ((signed long int) ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))))) && (WrapperStruct00.var_1_3 == ((float) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f))))))) [L107] EXPR WrapperStruct00.var_1_3 [L107] EXPR WrapperStruct00.var_1_4 [L107] EXPR WrapperStruct00.var_1_5 [L107] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L107] EXPR ((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L107] EXPR (WrapperStruct00.var_1_1 == ((signed long int) ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))))) && (WrapperStruct00.var_1_3 == ((float) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f))))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L107] EXPR ((WrapperStruct00.var_1_1 == ((signed long int) ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))))) && (WrapperStruct00.var_1_3 == ((float) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f)))))))) && (((- (3351680781u - WrapperStruct00.var_1_8)) > (WrapperStruct00.var_1_16 & WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (((((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))) + WrapperStruct00.var_1_12))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L107] EXPR (((WrapperStruct00.var_1_1 == ((signed long int) ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))))) && (WrapperStruct00.var_1_3 == ((float) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f)))))))) && (((- (3351680781u - WrapperStruct00.var_1_8)) > (WrapperStruct00.var_1_16 & WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (((((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))) + WrapperStruct00.var_1_12))) : 1)) && (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_14) < (WrapperStruct00.var_1_7 >> WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_13 == ((signed short int) ((((4 - WrapperStruct00.var_1_11) < 0 ) ? -(4 - WrapperStruct00.var_1_11) : (4 - WrapperStruct00.var_1_11))))) : ((WrapperStruct00.var_1_16 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_13 == ((signed short int) (-5 + (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_11)))) : (WrapperStruct00.var_1_13 == ((signed short int) 256)))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L107] EXPR ((((WrapperStruct00.var_1_1 == ((signed long int) ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))))) && (WrapperStruct00.var_1_3 == ((float) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f)))))))) && (((- (3351680781u - WrapperStruct00.var_1_8)) > (WrapperStruct00.var_1_16 & WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (((((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))) + WrapperStruct00.var_1_12))) : 1)) && (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_14) < (WrapperStruct00.var_1_7 >> WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_13 == ((signed short int) ((((4 - WrapperStruct00.var_1_11) < 0 ) ? -(4 - WrapperStruct00.var_1_11) : (4 - WrapperStruct00.var_1_11))))) : ((WrapperStruct00.var_1_16 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_13 == ((signed short int) (-5 + (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_11)))) : (WrapperStruct00.var_1_13 == ((signed short int) 256))))) && (WrapperStruct00.var_1_16 == ((signed char) WrapperStruct00.var_1_17)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L107-L108] return ((((WrapperStruct00.var_1_1 == ((signed long int) ((((last_1_WrapperStruct00_var_1_7) < 0 ) ? -(last_1_WrapperStruct00_var_1_7) : (last_1_WrapperStruct00_var_1_7))))) && (WrapperStruct00.var_1_3 == ((float) ((WrapperStruct00.var_1_4 - WrapperStruct00.var_1_5) + ((((256.5f) < ((WrapperStruct00.var_1_6 - 16.125f))) ? (256.5f) : ((WrapperStruct00.var_1_6 - 16.125f)))))))) && (((- (3351680781u - WrapperStruct00.var_1_8)) > (WrapperStruct00.var_1_16 & WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_7 == ((unsigned char) (((((WrapperStruct00.var_1_10) < (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))) ? (WrapperStruct00.var_1_10) : (((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))) + WrapperStruct00.var_1_12))) : 1)) && (((WrapperStruct00.var_1_16 / WrapperStruct00.var_1_14) < (WrapperStruct00.var_1_7 >> WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_13 == ((signed short int) ((((4 - WrapperStruct00.var_1_11) < 0 ) ? -(4 - WrapperStruct00.var_1_11) : (4 - WrapperStruct00.var_1_11))))) : ((WrapperStruct00.var_1_16 >= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_13 == ((signed short int) (-5 + (WrapperStruct00.var_1_12 - WrapperStruct00.var_1_11)))) : (WrapperStruct00.var_1_13 == ((signed short int) 256))))) && (WrapperStruct00.var_1_16 == ((signed char) WrapperStruct00.var_1_17)) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] [L19] reach_error() VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 6, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 468 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 461 mSDsluCounter, 2002 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1562 IncrementalHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 612 mSDtfsCounter, 1562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 497 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=5, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 58 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1089 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 940 ConstructedInterpolants, 0 QuantifiedInterpolants, 2982 SizeOfPredicates, 8 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 3261/3360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 18:50:37,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cc757866639008b8de2bb637453380004a1f2541632c98c93ed486e64a84677 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 18:50:39,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 18:50:39,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 18:50:39,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 18:50:39,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 18:50:39,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 18:50:39,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 18:50:39,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 18:50:39,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 18:50:39,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 18:50:39,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 18:50:39,972 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 18:50:39,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 18:50:39,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 18:50:39,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 18:50:39,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 18:50:39,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 18:50:39,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 18:50:39,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 18:50:39,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 18:50:39,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 18:50:39,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 18:50:39,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 18:50:39,979 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 18:50:39,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 18:50:39,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 18:50:39,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 18:50:39,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 18:50:39,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 18:50:39,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 18:50:39,981 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 18:50:39,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 18:50:39,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 18:50:39,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 18:50:39,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:50:39,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 18:50:39,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 18:50:39,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 18:50:39,982 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 18:50:39,983 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 18:50:39,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 18:50:39,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 18:50:39,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 18:50:39,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 18:50:39,987 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cc757866639008b8de2bb637453380004a1f2541632c98c93ed486e64a84677 [2024-11-16 18:50:40,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 18:50:40,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 18:50:40,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 18:50:40,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 18:50:40,371 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 18:50:40,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i [2024-11-16 18:50:41,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 18:50:42,221 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 18:50:42,221 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i [2024-11-16 18:50:42,234 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b76674ee/630fa9a9991e4a108c923018a467286e/FLAG417baed17 [2024-11-16 18:50:42,252 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b76674ee/630fa9a9991e4a108c923018a467286e [2024-11-16 18:50:42,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 18:50:42,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 18:50:42,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 18:50:42,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 18:50:42,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 18:50:42,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d96b308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42, skipping insertion in model container [2024-11-16 18:50:42,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 18:50:42,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i[916,929] [2024-11-16 18:50:42,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:50:42,622 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 18:50:42,633 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-95.i[916,929] [2024-11-16 18:50:42,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 18:50:42,716 INFO L204 MainTranslator]: Completed translation [2024-11-16 18:50:42,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42 WrapperNode [2024-11-16 18:50:42,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 18:50:42,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 18:50:42,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 18:50:42,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 18:50:42,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,807 INFO L138 Inliner]: procedures = 37, calls = 149, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 442 [2024-11-16 18:50:42,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 18:50:42,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 18:50:42,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 18:50:42,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 18:50:42,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,873 INFO L175 MemorySlicer]: Split 122 memory accesses to 2 slices as follows [2, 120]. 98 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 31 writes are split as follows [0, 31]. [2024-11-16 18:50:42,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 18:50:42,930 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 18:50:42,930 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 18:50:42,930 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 18:50:42,933 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (1/1) ... [2024-11-16 18:50:42,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 18:50:42,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 18:50:42,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 18:50:42,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 18:50:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 18:50:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-16 18:50:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 18:50:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-16 18:50:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-16 18:50:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-16 18:50:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-16 18:50:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-16 18:50:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-16 18:50:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-16 18:50:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-16 18:50:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 18:50:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 18:50:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-16 18:50:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-16 18:50:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-16 18:50:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-16 18:50:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-16 18:50:43,195 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 18:50:43,197 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 18:50:44,969 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: havoc property_#t~mem81#1;havoc property_#t~mem87#1;havoc property_#t~mem82#1;havoc property_#t~mem83#1;havoc property_#t~mem84#1;havoc property_#t~ite86#1;havoc property_#t~mem85#1;havoc property_#t~short88#1;havoc property_#t~mem89#1;havoc property_#t~mem90#1;havoc property_#t~mem91#1;havoc property_#t~ite105#1;havoc property_#t~mem104#1;havoc property_#t~mem96#1;havoc property_#t~mem92#1;havoc property_#t~ite95#1;havoc property_#t~mem93#1;havoc property_#t~mem94#1;havoc property_#t~ite102#1;havoc property_#t~mem97#1;havoc property_#t~mem98#1;havoc property_#t~ite101#1;havoc property_#t~mem99#1;havoc property_#t~mem100#1;havoc property_#t~mem103#1;havoc property_#t~short106#1;havoc property_#t~mem107#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~mem110#1;havoc property_#t~ite123#1;havoc property_#t~mem115#1;havoc property_#t~mem111#1;havoc property_#t~ite114#1;havoc property_#t~mem112#1;havoc property_#t~mem113#1;havoc property_#t~mem116#1;havoc property_#t~mem117#1;havoc property_#t~ite122#1;havoc property_#t~mem120#1;havoc property_#t~mem118#1;havoc property_#t~mem119#1;havoc property_#t~mem121#1;havoc property_#t~short124#1;havoc property_#t~mem126#1;havoc property_#t~mem125#1;havoc property_#t~short127#1; [2024-11-16 18:50:45,030 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-16 18:50:45,031 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 18:50:45,048 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 18:50:45,049 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 18:50:45,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:50:45 BoogieIcfgContainer [2024-11-16 18:50:45,049 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 18:50:45,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 18:50:45,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 18:50:45,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 18:50:45,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:50:42" (1/3) ... [2024-11-16 18:50:45,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f25f1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:50:45, skipping insertion in model container [2024-11-16 18:50:45,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:50:42" (2/3) ... [2024-11-16 18:50:45,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f25f1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:50:45, skipping insertion in model container [2024-11-16 18:50:45,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:50:45" (3/3) ... [2024-11-16 18:50:45,068 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-95.i [2024-11-16 18:50:45,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 18:50:45,089 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 18:50:45,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 18:50:45,176 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;@36c2ce57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 18:50:45,176 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 18:50:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 88 states have internal predecessors, (121), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:45,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-16 18:50:45,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:45,200 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:45,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:45,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:45,207 INFO L85 PathProgramCache]: Analyzing trace with hash 370201695, now seen corresponding path program 1 times [2024-11-16 18:50:45,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:45,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1644192055] [2024-11-16 18:50:45,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:45,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:45,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:45,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:45,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 18:50:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:45,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 18:50:45,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-16 18:50:45,880 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:50:45,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:50:45,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1644192055] [2024-11-16 18:50:45,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1644192055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:45,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:45,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 18:50:45,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054527606] [2024-11-16 18:50:45,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:45,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 18:50:45,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:50:45,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 18:50:45,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:50:45,920 INFO L87 Difference]: Start difference. First operand has 106 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 88 states have internal predecessors, (121), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:45,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:45,966 INFO L93 Difference]: Finished difference Result 204 states and 315 transitions. [2024-11-16 18:50:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 18:50:45,969 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2024-11-16 18:50:45,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:45,979 INFO L225 Difference]: With dead ends: 204 [2024-11-16 18:50:45,980 INFO L226 Difference]: Without dead ends: 101 [2024-11-16 18:50:45,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 18:50:45,991 INFO L432 NwaCegarLoop]: 141 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, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:45,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 18:50:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-16 18:50:46,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-16 18:50:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 83 states have internal predecessors, (109), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 141 transitions. [2024-11-16 18:50:46,047 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 141 transitions. Word has length 131 [2024-11-16 18:50:46,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:46,048 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 141 transitions. [2024-11-16 18:50:46,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 141 transitions. [2024-11-16 18:50:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-16 18:50:46,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:46,053 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:46,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 18:50:46,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:46,258 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:46,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:46,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1156617713, now seen corresponding path program 1 times [2024-11-16 18:50:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:46,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517798526] [2024-11-16 18:50:46,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:46,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:46,263 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:46,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 18:50:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:46,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 18:50:46,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:46,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:50:46,798 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:50:46,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517798526] [2024-11-16 18:50:46,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1517798526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:46,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:46,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 18:50:46,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109873731] [2024-11-16 18:50:46,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:46,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:50:46,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:50:46,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:50:46,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:50:46,804 INFO L87 Difference]: Start difference. First operand 101 states and 141 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:47,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:47,152 INFO L93 Difference]: Finished difference Result 206 states and 289 transitions. [2024-11-16 18:50:47,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 18:50:47,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-16 18:50:47,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:47,157 INFO L225 Difference]: With dead ends: 206 [2024-11-16 18:50:47,157 INFO L226 Difference]: Without dead ends: 108 [2024-11-16 18:50:47,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:50:47,161 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:47,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 654 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 18:50:47,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-16 18:50:47,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-16 18:50:47,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 89 states have (on average 1.2921348314606742) internal successors, (115), 89 states have internal predecessors, (115), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 147 transitions. [2024-11-16 18:50:47,182 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 147 transitions. Word has length 131 [2024-11-16 18:50:47,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:47,183 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 147 transitions. [2024-11-16 18:50:47,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 147 transitions. [2024-11-16 18:50:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-16 18:50:47,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:47,190 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:47,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 18:50:47,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:47,391 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:47,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:47,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1185246864, now seen corresponding path program 1 times [2024-11-16 18:50:47,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:47,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247988506] [2024-11-16 18:50:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:47,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:47,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:47,394 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:47,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-16 18:50:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:47,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 18:50:47,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:47,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-16 18:50:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:48,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:50:48,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:50:48,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [247988506] [2024-11-16 18:50:48,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [247988506] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:48,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:48,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:50:48,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281689154] [2024-11-16 18:50:48,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:48,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:50:48,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:50:48,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:50:48,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:50:48,047 INFO L87 Difference]: Start difference. First operand 107 states and 147 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:49,905 INFO L93 Difference]: Finished difference Result 212 states and 292 transitions. [2024-11-16 18:50:49,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:50:49,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-16 18:50:49,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:49,908 INFO L225 Difference]: With dead ends: 212 [2024-11-16 18:50:49,908 INFO L226 Difference]: Without dead ends: 108 [2024-11-16 18:50:49,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:50:49,910 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 134 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:49,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 403 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 18:50:49,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-16 18:50:49,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-16 18:50:49,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 89 states have internal predecessors, (114), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:49,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 146 transitions. [2024-11-16 18:50:49,926 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 146 transitions. Word has length 131 [2024-11-16 18:50:49,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:49,926 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 146 transitions. [2024-11-16 18:50:49,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 146 transitions. [2024-11-16 18:50:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-16 18:50:49,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:49,929 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:49,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-16 18:50:50,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:50,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:50,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:50,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1511965906, now seen corresponding path program 1 times [2024-11-16 18:50:50,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:50,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364764288] [2024-11-16 18:50:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:50,136 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:50,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:50,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:50,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-16 18:50:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:50,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 18:50:50,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:50,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-16 18:50:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-16 18:50:50,655 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:50:50,655 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:50:50,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364764288] [2024-11-16 18:50:50,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364764288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:50,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:50,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:50:50,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997726310] [2024-11-16 18:50:50,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:50,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:50:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:50:50,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:50:50,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:50:50,658 INFO L87 Difference]: Start difference. First operand 107 states and 146 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:51,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:51,988 INFO L93 Difference]: Finished difference Result 212 states and 290 transitions. [2024-11-16 18:50:51,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:50:51,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2024-11-16 18:50:51,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:51,990 INFO L225 Difference]: With dead ends: 212 [2024-11-16 18:50:51,990 INFO L226 Difference]: Without dead ends: 108 [2024-11-16 18:50:51,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:50:51,992 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 123 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:51,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 398 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 18:50:51,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-16 18:50:52,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-16 18:50:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 89 states have (on average 1.2696629213483146) internal successors, (113), 89 states have internal predecessors, (113), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 145 transitions. [2024-11-16 18:50:52,004 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 145 transitions. Word has length 133 [2024-11-16 18:50:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:52,005 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 145 transitions. [2024-11-16 18:50:52,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 145 transitions. [2024-11-16 18:50:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-16 18:50:52,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:52,013 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:52,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-16 18:50:52,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:52,215 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:52,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:52,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1847386128, now seen corresponding path program 1 times [2024-11-16 18:50:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1323688293] [2024-11-16 18:50:52,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:52,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:52,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:52,220 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:52,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-16 18:50:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:52,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-16 18:50:52,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:52,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-16 18:50:52,750 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-16 18:50:52,750 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:50:52,750 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:50:52,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1323688293] [2024-11-16 18:50:52,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1323688293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:52,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:52,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 18:50:52,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291503727] [2024-11-16 18:50:52,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:52,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 18:50:52,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:50:52,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 18:50:52,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-16 18:50:52,756 INFO L87 Difference]: Start difference. First operand 107 states and 145 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:54,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:54,309 INFO L93 Difference]: Finished difference Result 212 states and 288 transitions. [2024-11-16 18:50:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 18:50:54,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2024-11-16 18:50:54,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:54,311 INFO L225 Difference]: With dead ends: 212 [2024-11-16 18:50:54,311 INFO L226 Difference]: Without dead ends: 108 [2024-11-16 18:50:54,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-16 18:50:54,312 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 113 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:54,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 394 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 18:50:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-16 18:50:54,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-16 18:50:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 89 states have internal predecessors, (112), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 18:50:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 144 transitions. [2024-11-16 18:50:54,327 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 144 transitions. Word has length 135 [2024-11-16 18:50:54,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:54,328 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 144 transitions. [2024-11-16 18:50:54,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-16 18:50:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2024-11-16 18:50:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-16 18:50:54,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:54,333 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:54,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-16 18:50:54,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:54,534 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:54,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:54,534 INFO L85 PathProgramCache]: Analyzing trace with hash 960263854, now seen corresponding path program 1 times [2024-11-16 18:50:54,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:54,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699102150] [2024-11-16 18:50:54,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:54,538 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:54,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-16 18:50:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 18:50:55,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-16 18:50:55,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 18:50:55,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,068 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-16 18:50:55,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-16 18:50:55,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 89 [2024-11-16 18:50:55,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:50:55,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 99 treesize of output 39 [2024-11-16 18:50:55,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 18:50:55,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:50:55,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 32 [2024-11-16 18:50:55,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:50:55,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 72 [2024-11-16 18:50:56,029 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 18:50:56,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 102 treesize of output 60 [2024-11-16 18:50:56,054 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-16 18:50:56,054 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 18:50:56,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 18:50:56,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699102150] [2024-11-16 18:50:56,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699102150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 18:50:56,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 18:50:56,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 18:50:56,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008549788] [2024-11-16 18:50:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 18:50:56,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 18:50:56,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 18:50:56,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 18:50:56,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 18:50:56,057 INFO L87 Difference]: Start difference. First operand 107 states and 144 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:58,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 18:50:58,765 INFO L93 Difference]: Finished difference Result 355 states and 475 transitions. [2024-11-16 18:50:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 18:50:58,766 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-16 18:50:58,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 18:50:58,768 INFO L225 Difference]: With dead ends: 355 [2024-11-16 18:50:58,768 INFO L226 Difference]: Without dead ends: 251 [2024-11-16 18:50:58,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-16 18:50:58,770 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 164 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-16 18:50:58,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 493 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-16 18:50:58,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-16 18:50:58,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 181. [2024-11-16 18:50:58,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 145 states have (on average 1.2413793103448276) internal successors, (180), 145 states have internal predecessors, (180), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 18:50:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 244 transitions. [2024-11-16 18:50:58,799 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 244 transitions. Word has length 137 [2024-11-16 18:50:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 18:50:58,799 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 244 transitions. [2024-11-16 18:50:58,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-16 18:50:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 244 transitions. [2024-11-16 18:50:58,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-16 18:50:58,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 18:50:58,801 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 18:50:58,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-16 18:50:59,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:59,002 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 18:50:59,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 18:50:59,003 INFO L85 PathProgramCache]: Analyzing trace with hash -531554672, now seen corresponding path program 1 times [2024-11-16 18:50:59,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 18:50:59,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536607081] [2024-11-16 18:50:59,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 18:50:59,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 18:50:59,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 18:50:59,006 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 18:50:59,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process