./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/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/bitvector-regression/integerpromotion-3.c -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.graphml --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 11:28:05,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 11:28:05,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 11:28:05,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 11:28:05,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 11:28:05,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 11:28:05,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 11:28:05,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 11:28:05,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 11:28:05,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 11:28:05,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 11:28:05,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 11:28:05,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 11:28:05,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 11:28:05,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 11:28:05,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 11:28:05,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 11:28:05,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 11:28:05,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 11:28:05,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 11:28:05,655 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 11:28:05,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 11:28:05,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 11:28:05,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 11:28:05,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 11:28:05,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 11:28:05,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 11:28:05,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 11:28:05,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 11:28:05,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 11:28:05,665 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 11:28:05,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 11:28:05,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 11:28:05,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 11:28:05,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 11:28:05,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 11:28:05,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 11:28:05,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 11:28:05,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 11:28:05,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 11:28:05,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 11:28:05,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 11:28:05,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 11:28:05,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 11:28:05,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 11:28:05,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 11:28:05,699 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 11:28:05,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 11:28:05,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 11:28:05,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 11:28:05,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 11:28:05,700 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 11:28:05,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 11:28:05,701 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 11:28:05,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 11:28:05,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 11:28:05,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 11:28:05,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 11:28:05,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 11:28:05,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 11:28:05,702 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 11:28:05,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 11:28:05,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 11:28:05,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 11:28:05,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 11:28:05,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 11:28:05,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 11:28:05,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:28:05,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 11:28:05,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 11:28:05,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 11:28:05,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 11:28:05,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 11:28:05,705 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 11:28:05,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 11:28:05,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 11:28:05,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-07-13 11:28:05,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 11:28:05,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 11:28:05,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 11:28:05,890 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 11:28:05,891 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 11:28:05,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-07-13 11:28:05,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af41d244/a88495082b9644428d03ca58851b3103/FLAG9204e43fd [2022-07-13 11:28:06,287 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 11:28:06,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-07-13 11:28:06,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af41d244/a88495082b9644428d03ca58851b3103/FLAG9204e43fd [2022-07-13 11:28:06,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9af41d244/a88495082b9644428d03ca58851b3103 [2022-07-13 11:28:06,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 11:28:06,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 11:28:06,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 11:28:06,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 11:28:06,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 11:28:06,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3e8aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06, skipping insertion in model container [2022-07-13 11:28:06,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 11:28:06,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 11:28:06,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-07-13 11:28:06,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:28:06,413 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 11:28:06,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-07-13 11:28:06,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:28:06,429 INFO L208 MainTranslator]: Completed translation [2022-07-13 11:28:06,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06 WrapperNode [2022-07-13 11:28:06,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 11:28:06,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 11:28:06,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 11:28:06,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 11:28:06,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,454 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-13 11:28:06,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 11:28:06,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 11:28:06,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 11:28:06,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 11:28:06,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 11:28:06,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 11:28:06,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 11:28:06,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 11:28:06,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (1/1) ... [2022-07-13 11:28:06,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:28:06,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:28:06,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 11:28:06,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 11:28:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 11:28:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 11:28:06,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 11:28:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 11:28:06,557 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 11:28:06,558 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 11:28:06,612 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 11:28:06,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 11:28:06,615 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 11:28:06,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:28:06 BoogieIcfgContainer [2022-07-13 11:28:06,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 11:28:06,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 11:28:06,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 11:28:06,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 11:28:06,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:28:06" (1/3) ... [2022-07-13 11:28:06,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21498e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:28:06, skipping insertion in model container [2022-07-13 11:28:06,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:06" (2/3) ... [2022-07-13 11:28:06,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21498e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:28:06, skipping insertion in model container [2022-07-13 11:28:06,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:28:06" (3/3) ... [2022-07-13 11:28:06,627 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-07-13 11:28:06,635 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 11:28:06,635 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 11:28:06,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 11:28:06,666 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3101fb3f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6bfc0d1 [2022-07-13 11:28:06,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 11:28:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:28:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-13 11:28:06,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:28:06,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-13 11:28:06,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:28:06,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:28:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-13 11:28:06,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:28:06,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30916284] [2022-07-13 11:28:06,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:28:06,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:28:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 11:28:06,739 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 11:28:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 11:28:06,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 11:28:06,758 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 11:28:06,759 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 11:28:06,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 11:28:06,764 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 11:28:06,766 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 11:28:06,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:28:06 BoogieIcfgContainer [2022-07-13 11:28:06,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 11:28:06,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 11:28:06,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 11:28:06,782 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 11:28:06,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:28:06" (3/4) ... [2022-07-13 11:28:06,785 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 11:28:06,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 11:28:06,786 INFO L158 Benchmark]: Toolchain (without parser) took 484.32ms. Allocated memory is still 132.1MB. Free memory was 99.6MB in the beginning and 83.9MB in the end (delta: 15.7MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-07-13 11:28:06,787 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:28:06,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 127.94ms. Allocated memory is still 132.1MB. Free memory was 99.4MB in the beginning and 108.6MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 11:28:06,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.59ms. Allocated memory is still 132.1MB. Free memory was 108.6MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 11:28:06,790 INFO L158 Benchmark]: Boogie Preprocessor took 10.03ms. Allocated memory is still 132.1MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:28:06,793 INFO L158 Benchmark]: RCFGBuilder took 151.86ms. Allocated memory is still 132.1MB. Free memory was 105.9MB in the beginning and 97.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 11:28:06,794 INFO L158 Benchmark]: TraceAbstraction took 162.34ms. Allocated memory is still 132.1MB. Free memory was 96.9MB in the beginning and 84.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 11:28:06,795 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 132.1MB. Free memory was 84.3MB in the beginning and 83.9MB in the end (delta: 468.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:28:06,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 127.94ms. Allocated memory is still 132.1MB. Free memory was 99.4MB in the beginning and 108.6MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.59ms. Allocated memory is still 132.1MB. Free memory was 108.6MB in the beginning and 106.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.03ms. Allocated memory is still 132.1MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 151.86ms. Allocated memory is still 132.1MB. Free memory was 105.9MB in the beginning and 97.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 162.34ms. Allocated memory is still 132.1MB. Free memory was 96.9MB in the beginning and 84.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 132.1MB. Free memory was 84.3MB in the beginning and 83.9MB in the end (delta: 468.6kB). 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: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2022-07-13 11:28:06,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/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/bitvector-regression/integerpromotion-3.c -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.graphml --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 f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 11:28:08,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 11:28:08,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 11:28:08,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 11:28:08,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 11:28:08,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 11:28:08,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 11:28:08,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 11:28:08,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 11:28:08,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 11:28:08,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 11:28:08,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 11:28:08,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 11:28:08,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 11:28:08,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 11:28:08,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 11:28:08,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 11:28:08,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 11:28:08,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 11:28:08,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 11:28:08,732 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 11:28:08,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 11:28:08,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 11:28:08,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 11:28:08,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 11:28:08,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 11:28:08,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 11:28:08,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 11:28:08,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 11:28:08,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 11:28:08,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 11:28:08,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 11:28:08,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 11:28:08,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 11:28:08,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 11:28:08,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 11:28:08,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 11:28:08,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 11:28:08,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 11:28:08,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 11:28:08,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 11:28:08,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 11:28:08,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 11:28:08,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 11:28:08,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 11:28:08,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 11:28:08,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 11:28:08,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 11:28:08,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 11:28:08,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 11:28:08,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 11:28:08,783 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 11:28:08,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 11:28:08,784 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 11:28:08,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 11:28:08,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 11:28:08,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 11:28:08,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 11:28:08,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 11:28:08,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 11:28:08,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 11:28:08,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 11:28:08,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 11:28:08,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:28:08,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 11:28:08,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 11:28:08,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 11:28:08,787 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 11:28:08,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 11:28:08,787 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 11:28:08,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 11:28:08,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 11:28:08,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 11:28:08,788 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2022-07-13 11:28:09,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 11:28:09,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 11:28:09,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 11:28:09,091 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 11:28:09,092 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 11:28:09,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-07-13 11:28:09,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf67dfa8/944b04e509de4a5eb284073c9036c88c/FLAGc1f24a6ee [2022-07-13 11:28:09,427 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 11:28:09,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2022-07-13 11:28:09,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf67dfa8/944b04e509de4a5eb284073c9036c88c/FLAGc1f24a6ee [2022-07-13 11:28:09,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bf67dfa8/944b04e509de4a5eb284073c9036c88c [2022-07-13 11:28:09,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 11:28:09,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 11:28:09,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 11:28:09,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 11:28:09,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 11:28:09,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:09,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8662e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09, skipping insertion in model container [2022-07-13 11:28:09,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:09,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 11:28:09,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 11:28:09,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-07-13 11:28:09,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:28:09,980 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 11:28:09,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2022-07-13 11:28:09,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:28:09,996 INFO L208 MainTranslator]: Completed translation [2022-07-13 11:28:09,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09 WrapperNode [2022-07-13 11:28:09,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 11:28:09,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 11:28:09,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 11:28:09,997 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 11:28:10,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,043 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-13 11:28:10,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 11:28:10,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 11:28:10,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 11:28:10,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 11:28:10,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 11:28:10,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 11:28:10,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 11:28:10,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 11:28:10,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (1/1) ... [2022-07-13 11:28:10,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:28:10,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:28:10,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-13 11:28:10,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-13 11:28:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 11:28:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 11:28:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 11:28:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-13 11:28:10,146 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 11:28:10,147 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 11:28:10,196 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 11:28:10,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 11:28:10,199 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 11:28:10,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:28:10 BoogieIcfgContainer [2022-07-13 11:28:10,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 11:28:10,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 11:28:10,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 11:28:10,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 11:28:10,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:28:09" (1/3) ... [2022-07-13 11:28:10,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462f6f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:28:10, skipping insertion in model container [2022-07-13 11:28:10,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:28:09" (2/3) ... [2022-07-13 11:28:10,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462f6f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:28:10, skipping insertion in model container [2022-07-13 11:28:10,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:28:10" (3/3) ... [2022-07-13 11:28:10,205 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2022-07-13 11:28:10,214 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 11:28:10,214 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 11:28:10,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 11:28:10,276 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26ed456a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@30ec473f [2022-07-13 11:28:10,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 11:28:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:28:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-07-13 11:28:10,291 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:28:10,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-07-13 11:28:10,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:28:10,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:28:10,297 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-07-13 11:28:10,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-13 11:28:10,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926816241] [2022-07-13 11:28:10,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:28:10,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-13 11:28:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-13 11:28:10,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-13 11:28:10,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-13 11:28:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 11:28:10,365 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 11:28:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 11:28:10,399 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-13 11:28:10,400 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-13 11:28:10,401 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 11:28:10,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-13 11:28:10,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-13 11:28:10,612 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-13 11:28:10,615 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 11:28:10,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:28:10 BoogieIcfgContainer [2022-07-13 11:28:10,626 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 11:28:10,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 11:28:10,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 11:28:10,627 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 11:28:10,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:28:10" (3/4) ... [2022-07-13 11:28:10,628 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-13 11:28:10,648 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 11:28:10,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 11:28:10,649 INFO L158 Benchmark]: Toolchain (without parser) took 775.91ms. Allocated memory is still 56.6MB. Free memory was 30.9MB in the beginning and 30.3MB in the end (delta: 547.3kB). Peak memory consumption was 705.2kB. Max. memory is 16.1GB. [2022-07-13 11:28:10,649 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 27.6MB in the beginning and 27.6MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:28:10,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 121.66ms. Allocated memory is still 56.6MB. Free memory was 30.6MB in the beginning and 34.4MB in the end (delta: -3.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-07-13 11:28:10,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.44ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 40.5MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 11:28:10,651 INFO L158 Benchmark]: Boogie Preprocessor took 10.35ms. Allocated memory is still 56.6MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 937.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 11:28:10,651 INFO L158 Benchmark]: RCFGBuilder took 145.95ms. Allocated memory is still 56.6MB. Free memory was 39.6MB in the beginning and 32.0MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 11:28:10,652 INFO L158 Benchmark]: TraceAbstraction took 424.48ms. Allocated memory is still 56.6MB. Free memory was 31.5MB in the beginning and 31.9MB in the end (delta: -358.9kB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2022-07-13 11:28:10,652 INFO L158 Benchmark]: Witness Printer took 21.55ms. Allocated memory is still 56.6MB. Free memory was 31.9MB in the beginning and 30.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:28:10,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 27.6MB in the beginning and 27.6MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 121.66ms. Allocated memory is still 56.6MB. Free memory was 30.6MB in the beginning and 34.4MB in the end (delta: -3.8MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.44ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 40.5MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 10.35ms. Allocated memory is still 56.6MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 937.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 145.95ms. Allocated memory is still 56.6MB. Free memory was 39.6MB in the beginning and 32.0MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 424.48ms. Allocated memory is still 56.6MB. Free memory was 31.5MB in the beginning and 31.9MB in the end (delta: -358.9kB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 21.55ms. Allocated memory is still 56.6MB. Free memory was 31.9MB in the beginning and 30.3MB in the end (delta: 1.5MB). 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 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L9] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L14] reach_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! [2022-07-13 11:28:10,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE