./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 7e1ff0e6 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-?-7e1ff0e [2023-02-14 22:33:04,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 22:33:04,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 22:33:04,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 22:33:04,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 22:33:04,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 22:33:04,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 22:33:04,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 22:33:04,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 22:33:04,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 22:33:04,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 22:33:04,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 22:33:04,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 22:33:04,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 22:33:04,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 22:33:04,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 22:33:04,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 22:33:04,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 22:33:04,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 22:33:04,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 22:33:04,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 22:33:04,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 22:33:04,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 22:33:04,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 22:33:04,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 22:33:04,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 22:33:04,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 22:33:04,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 22:33:04,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 22:33:04,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 22:33:04,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 22:33:04,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 22:33:04,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 22:33:04,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 22:33:04,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 22:33:04,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 22:33:04,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 22:33:04,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 22:33:04,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 22:33:04,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 22:33:04,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 22:33:04,764 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-14 22:33:04,794 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 22:33:04,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 22:33:04,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 22:33:04,795 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 22:33:04,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 22:33:04,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 22:33:04,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 22:33:04,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 22:33:04,797 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 22:33:04,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 22:33:04,799 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 22:33:04,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 22:33:04,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 22:33:04,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 22:33:04,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 22:33:04,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 22:33:04,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 22:33:04,800 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 22:33:04,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 22:33:04,800 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 22:33:04,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 22:33:04,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 22:33:04,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 22:33:04,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 22:33:04,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:33:04,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 22:33:04,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 22:33:04,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 22:33:04,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 22:33:04,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 22:33:04,803 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 22:33:04,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 22:33:04,803 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 22:33:04,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 22:33:04,803 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 22:33:04,803 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2023-02-14 22:33:05,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 22:33:05,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 22:33:05,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 22:33:05,092 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 22:33:05,092 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 22:33:05,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-14 22:33:06,251 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 22:33:06,451 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 22:33:06,452 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-14 22:33:06,456 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7267414ab/eb8d72592f8045a69d5d3062f04d5afe/FLAGecdf1ae0c [2023-02-14 22:33:06,466 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7267414ab/eb8d72592f8045a69d5d3062f04d5afe [2023-02-14 22:33:06,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 22:33:06,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 22:33:06,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 22:33:06,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 22:33:06,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 22:33:06,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21521464 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06, skipping insertion in model container [2023-02-14 22:33:06,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 22:33:06,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:33:06,601 WARN L237 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] [2023-02-14 22:33:06,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:33:06,615 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 22:33:06,624 WARN L237 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] [2023-02-14 22:33:06,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:33:06,634 INFO L208 MainTranslator]: Completed translation [2023-02-14 22:33:06,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06 WrapperNode [2023-02-14 22:33:06,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 22:33:06,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 22:33:06,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 22:33:06,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 22:33:06,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,655 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-14 22:33:06,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 22:33:06,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 22:33:06,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 22:33:06,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 22:33:06,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 22:33:06,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 22:33:06,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 22:33:06,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 22:33:06,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (1/1) ... [2023-02-14 22:33:06,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:33:06,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:33:06,741 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) [2023-02-14 22:33:06,743 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 [2023-02-14 22:33:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 22:33:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 22:33:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 22:33:06,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-14 22:33:06,823 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 22:33:06,827 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 22:33:06,934 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 22:33:06,950 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 22:33:06,951 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 22:33:06,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:33:06 BoogieIcfgContainer [2023-02-14 22:33:06,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 22:33:06,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 22:33:06,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 22:33:06,959 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 22:33:06,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:33:06" (1/3) ... [2023-02-14 22:33:06,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c90f490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:33:06, skipping insertion in model container [2023-02-14 22:33:06,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:06" (2/3) ... [2023-02-14 22:33:06,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c90f490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:33:06, skipping insertion in model container [2023-02-14 22:33:06,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:33:06" (3/3) ... [2023-02-14 22:33:06,961 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2023-02-14 22:33:06,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 22:33:06,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 22:33:07,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 22:33:07,047 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@79d0e96d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 22:33:07,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 22:33:07,051 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) [2023-02-14 22:33:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-14 22:33:07,055 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:33:07,056 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-14 22:33:07,057 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:33:07,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:33:07,064 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-14 22:33:07,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 22:33:07,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284973756] [2023-02-14 22:33:07,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:33:07,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 22:33:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:33:07,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 22:33:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:33:07,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 22:33:07,218 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 22:33:07,219 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 22:33:07,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 22:33:07,224 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-14 22:33:07,230 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 22:33:07,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:33:07 BoogieIcfgContainer [2023-02-14 22:33:07,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 22:33:07,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 22:33:07,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 22:33:07,250 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 22:33:07,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:33:06" (3/4) ... [2023-02-14 22:33:07,253 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 22:33:07,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 22:33:07,255 INFO L158 Benchmark]: Toolchain (without parser) took 785.72ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 90.6MB in the end (delta: 13.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-02-14 22:33:07,256 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:33:07,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.29ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 94.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 22:33:07,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.91ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 93.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 22:33:07,259 INFO L158 Benchmark]: Boogie Preprocessor took 29.46ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 113.5MB in the end (delta: -20.1MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-02-14 22:33:07,262 INFO L158 Benchmark]: RCFGBuilder took 266.82ms. Allocated memory is still 140.5MB. Free memory was 113.5MB in the beginning and 104.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 22:33:07,263 INFO L158 Benchmark]: TraceAbstraction took 292.46ms. Allocated memory is still 140.5MB. Free memory was 103.9MB in the beginning and 91.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-14 22:33:07,265 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 90.6MB in the end (delta: 357.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:33:07,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.29ms. Allocated memory is still 140.5MB. Free memory was 104.6MB in the beginning and 94.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.91ms. Allocated memory is still 140.5MB. Free memory was 94.7MB in the beginning and 93.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.46ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 113.5MB in the end (delta: -20.1MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * RCFGBuilder took 266.82ms. Allocated memory is still 140.5MB. Free memory was 113.5MB in the beginning and 104.6MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 292.46ms. Allocated memory is still 140.5MB. Free memory was 103.9MB in the beginning and 91.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 90.6MB in the end (delta: 357.8kB). 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: 0.2s, 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 [2023-02-14 22:33:07,294 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-?-7e1ff0e [2023-02-14 22:33:09,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 22:33:09,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 22:33:09,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 22:33:09,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 22:33:09,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 22:33:09,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 22:33:09,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 22:33:09,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 22:33:09,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 22:33:09,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 22:33:09,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 22:33:09,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 22:33:09,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 22:33:09,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 22:33:09,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 22:33:09,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 22:33:09,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 22:33:09,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 22:33:09,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 22:33:09,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 22:33:09,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 22:33:09,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 22:33:09,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 22:33:09,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 22:33:09,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 22:33:09,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 22:33:09,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 22:33:09,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 22:33:09,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 22:33:09,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 22:33:09,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 22:33:09,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 22:33:09,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 22:33:09,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 22:33:09,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 22:33:09,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 22:33:09,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 22:33:09,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 22:33:09,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 22:33:09,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 22:33:09,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-14 22:33:09,488 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 22:33:09,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 22:33:09,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 22:33:09,493 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 22:33:09,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 22:33:09,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 22:33:09,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 22:33:09,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 22:33:09,495 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 22:33:09,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 22:33:09,496 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-14 22:33:09,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-14 22:33:09,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 22:33:09,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 22:33:09,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 22:33:09,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 22:33:09,497 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 22:33:09,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 22:33:09,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 22:33:09,498 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-14 22:33:09,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 22:33:09,498 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 22:33:09,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 22:33:09,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 22:33:09,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 22:33:09,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 22:33:09,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:33:09,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 22:33:09,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 22:33:09,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 22:33:09,500 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 22:33:09,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 22:33:09,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 22:33:09,501 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 22:33:09,501 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 22:33:09,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 22:33:09,501 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 22:33:09,501 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 22:33:09,502 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2023-02-14 22:33:09,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 22:33:09,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 22:33:09,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 22:33:09,835 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 22:33:09,837 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 22:33:09,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-14 22:33:11,031 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 22:33:11,215 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 22:33:11,215 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-14 22:33:11,223 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f503db61/a923c54b3bb644299a4e1df23968053f/FLAGd4df5db06 [2023-02-14 22:33:11,245 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f503db61/a923c54b3bb644299a4e1df23968053f [2023-02-14 22:33:11,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 22:33:11,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 22:33:11,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 22:33:11,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 22:33:11,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 22:33:11,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ed127d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11, skipping insertion in model container [2023-02-14 22:33:11,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 22:33:11,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 22:33:11,412 WARN L237 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] [2023-02-14 22:33:11,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:33:11,433 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 22:33:11,448 WARN L237 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] [2023-02-14 22:33:11,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 22:33:11,462 INFO L208 MainTranslator]: Completed translation [2023-02-14 22:33:11,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11 WrapperNode [2023-02-14 22:33:11,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 22:33:11,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 22:33:11,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 22:33:11,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 22:33:11,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,492 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-14 22:33:11,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 22:33:11,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 22:33:11,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 22:33:11,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 22:33:11,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 22:33:11,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 22:33:11,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 22:33:11,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 22:33:11,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (1/1) ... [2023-02-14 22:33:11,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 22:33:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 22:33:11,556 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) [2023-02-14 22:33:11,587 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 [2023-02-14 22:33:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-14 22:33:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 22:33:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 22:33:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-14 22:33:11,672 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 22:33:11,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 22:33:11,800 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 22:33:11,813 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 22:33:11,813 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-14 22:33:11,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:33:11 BoogieIcfgContainer [2023-02-14 22:33:11,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 22:33:11,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 22:33:11,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 22:33:11,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 22:33:11,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 10:33:11" (1/3) ... [2023-02-14 22:33:11,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd1b304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:33:11, skipping insertion in model container [2023-02-14 22:33:11,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 10:33:11" (2/3) ... [2023-02-14 22:33:11,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd1b304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 10:33:11, skipping insertion in model container [2023-02-14 22:33:11,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:33:11" (3/3) ... [2023-02-14 22:33:11,824 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2023-02-14 22:33:11,840 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 22:33:11,841 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-14 22:33:11,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 22:33:11,900 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7cbb83b2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 22:33:11,901 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-14 22:33:11,905 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) [2023-02-14 22:33:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-14 22:33:11,914 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 22:33:11,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-14 22:33:11,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-14 22:33:11,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 22:33:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-14 22:33:11,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-14 22:33:11,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391121981] [2023-02-14 22:33:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 22:33:11,934 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 [2023-02-14 22:33:11,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-14 22:33:11,945 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) [2023-02-14 22:33:11,983 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 [2023-02-14 22:33:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:33:12,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 22:33:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 22:33:12,040 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-14 22:33:12,058 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 22:33:12,059 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-14 22:33:12,085 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 [2023-02-14 22:33:12,270 WARN L477 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 [2023-02-14 22:33:12,274 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-14 22:33:12,278 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 22:33:12,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 10:33:12 BoogieIcfgContainer [2023-02-14 22:33:12,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 22:33:12,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 22:33:12,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 22:33:12,297 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 22:33:12,298 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 10:33:11" (3/4) ... [2023-02-14 22:33:12,304 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-14 22:33:12,336 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 22:33:12,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 22:33:12,337 INFO L158 Benchmark]: Toolchain (without parser) took 1089.70ms. Allocated memory is still 71.3MB. Free memory was 48.3MB in the beginning and 48.6MB in the end (delta: -325.7kB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,338 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 22:33:12,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.75ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 37.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.08ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 36.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,343 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 35.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,344 INFO L158 Benchmark]: RCFGBuilder took 293.25ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 44.3MB in the end (delta: -9.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,345 INFO L158 Benchmark]: TraceAbstraction took 477.10ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 32.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,346 INFO L158 Benchmark]: Witness Printer took 39.75ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 48.6MB in the end (delta: -16.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-14 22:33:12,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 34.1MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.75ms. Allocated memory is still 71.3MB. Free memory was 48.1MB in the beginning and 37.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.08ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 36.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 35.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.25ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 44.3MB in the end (delta: -9.1MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 477.10ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 32.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 39.75ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 48.6MB in the end (delta: -16.1MB). Peak memory consumption was 4.2MB. 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! [2023-02-14 22:33:12,373 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