./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 574ddb4e 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-?-574ddb4 [2023-02-18 13:26:46,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 13:26:46,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 13:26:46,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 13:26:46,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 13:26:46,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 13:26:46,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 13:26:46,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 13:26:46,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 13:26:46,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 13:26:46,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 13:26:46,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 13:26:46,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 13:26:46,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 13:26:46,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 13:26:46,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 13:26:46,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 13:26:46,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 13:26:46,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 13:26:46,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 13:26:46,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 13:26:46,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 13:26:46,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 13:26:46,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 13:26:46,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 13:26:46,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 13:26:46,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 13:26:46,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 13:26:46,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 13:26:46,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 13:26:46,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 13:26:46,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 13:26:46,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 13:26:46,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 13:26:46,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 13:26:46,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 13:26:46,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 13:26:46,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 13:26:46,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 13:26:46,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 13:26:46,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 13:26:46,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 13:26:46,526 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 13:26:46,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 13:26:46,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 13:26:46,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 13:26:46,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 13:26:46,528 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 13:26:46,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 13:26:46,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 13:26:46,529 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 13:26:46,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 13:26:46,530 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 13:26:46,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 13:26:46,530 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 13:26:46,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 13:26:46,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 13:26:46,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 13:26:46,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 13:26:46,531 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 13:26:46,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 13:26:46,531 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 13:26:46,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 13:26:46,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 13:26:46,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 13:26:46,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 13:26:46,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 13:26:46,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 13:26:46,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 13:26:46,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 13:26:46,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 13:26:46,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 13:26:46,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 13:26:46,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 13:26:46,534 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 13:26:46,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 13:26:46,534 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 13:26:46,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2023-02-18 13:26:46,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 13:26:46,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 13:26:46,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 13:26:46,739 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 13:26:46,740 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 13:26:46,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-18 13:26:47,832 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 13:26:48,071 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 13:26:48,072 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-18 13:26:48,076 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95fa2306d/efad299b170a458daa0604c7d13b5cda/FLAG94117ba2d [2023-02-18 13:26:48,087 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95fa2306d/efad299b170a458daa0604c7d13b5cda [2023-02-18 13:26:48,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 13:26:48,091 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 13:26:48,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 13:26:48,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 13:26:48,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 13:26:48,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3631b339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48, skipping insertion in model container [2023-02-18 13:26:48,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 13:26:48,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 13:26:48,206 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] [2023-02-18 13:26:48,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 13:26:48,219 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 13:26:48,229 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] [2023-02-18 13:26:48,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 13:26:48,241 INFO L208 MainTranslator]: Completed translation [2023-02-18 13:26:48,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48 WrapperNode [2023-02-18 13:26:48,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 13:26:48,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 13:26:48,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 13:26:48,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 13:26:48,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,262 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-18 13:26:48,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 13:26:48,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 13:26:48,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 13:26:48,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 13:26:48,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,273 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 13:26:48,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 13:26:48,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 13:26:48,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 13:26:48,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (1/1) ... [2023-02-18 13:26:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 13:26:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 13:26:48,306 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) [2023-02-18 13:26:48,311 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 [2023-02-18 13:26:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 13:26:48,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 13:26:48,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 13:26:48,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 13:26:48,386 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 13:26:48,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 13:26:48,477 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 13:26:48,491 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 13:26:48,492 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 13:26:48,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:26:48 BoogieIcfgContainer [2023-02-18 13:26:48,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 13:26:48,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 13:26:48,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 13:26:48,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 13:26:48,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:26:48" (1/3) ... [2023-02-18 13:26:48,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b764e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:26:48, skipping insertion in model container [2023-02-18 13:26:48,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:48" (2/3) ... [2023-02-18 13:26:48,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b764e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:26:48, skipping insertion in model container [2023-02-18 13:26:48,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:26:48" (3/3) ... [2023-02-18 13:26:48,501 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2023-02-18 13:26:48,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 13:26:48,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 13:26:48,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 13:26:48,579 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;@60b2d5dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 13:26:48,579 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 13:26:48,583 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) [2023-02-18 13:26:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-18 13:26:48,587 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 13:26:48,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-18 13:26:48,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 13:26:48,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 13:26:48,595 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-18 13:26:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 13:26:48,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727882332] [2023-02-18 13:26:48,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 13:26:48,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 13:26:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 13:26:48,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 13:26:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 13:26:48,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 13:26:48,740 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 13:26:48,741 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 13:26:48,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 13:26:48,746 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-18 13:26:48,750 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 13:26:48,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:26:48 BoogieIcfgContainer [2023-02-18 13:26:48,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 13:26:48,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 13:26:48,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 13:26:48,767 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 13:26:48,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:26:48" (3/4) ... [2023-02-18 13:26:48,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-18 13:26:48,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 13:26:48,772 INFO L158 Benchmark]: Toolchain (without parser) took 680.62ms. Allocated memory is still 138.4MB. Free memory was 108.2MB in the beginning and 72.9MB in the end (delta: 35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,772 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 13:26:48,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 149.68ms. Allocated memory is still 138.4MB. Free memory was 108.0MB in the beginning and 98.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.36ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 96.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,775 INFO L158 Benchmark]: Boogie Preprocessor took 11.84ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 95.9MB in the end (delta: 845.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,779 INFO L158 Benchmark]: RCFGBuilder took 218.34ms. Allocated memory is still 138.4MB. Free memory was 95.9MB in the beginning and 87.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,781 INFO L158 Benchmark]: TraceAbstraction took 269.67ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 73.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,782 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 72.9MB in the end (delta: 512.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:26:48,789 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 111.1MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 149.68ms. Allocated memory is still 138.4MB. Free memory was 108.0MB in the beginning and 98.3MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.36ms. Allocated memory is still 138.4MB. Free memory was 98.3MB in the beginning and 96.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.84ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 95.9MB in the end (delta: 845.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 218.34ms. Allocated memory is still 138.4MB. Free memory was 95.9MB in the beginning and 87.3MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 269.67ms. Allocated memory is still 138.4MB. Free memory was 86.8MB in the beginning and 73.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 138.4MB. Free memory was 73.4MB in the beginning and 72.9MB in the end (delta: 512.7kB). Peak memory consumption was 2.1MB. 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 [2023-02-18 13:26:48,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /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-?-574ddb4 [2023-02-18 13:26:50,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 13:26:50,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 13:26:50,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 13:26:50,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 13:26:50,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 13:26:50,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 13:26:50,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 13:26:50,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 13:26:50,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 13:26:50,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 13:26:50,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 13:26:50,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 13:26:50,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 13:26:50,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 13:26:50,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 13:26:50,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 13:26:50,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 13:26:50,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 13:26:50,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 13:26:50,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 13:26:50,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 13:26:50,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 13:26:50,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 13:26:50,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 13:26:50,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 13:26:50,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 13:26:50,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 13:26:50,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 13:26:50,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 13:26:50,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 13:26:50,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 13:26:50,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 13:26:50,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 13:26:50,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 13:26:50,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 13:26:50,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 13:26:50,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 13:26:50,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 13:26:50,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 13:26:50,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 13:26:50,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-18 13:26:50,901 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 13:26:50,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 13:26:50,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 13:26:50,903 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 13:26:50,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 13:26:50,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 13:26:50,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 13:26:50,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 13:26:50,905 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 13:26:50,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 13:26:50,906 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 13:26:50,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 13:26:50,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 13:26:50,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 13:26:50,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 13:26:50,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 13:26:50,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 13:26:50,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 13:26:50,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 13:26:50,907 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 13:26:50,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 13:26:50,908 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 13:26:50,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 13:26:50,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 13:26:50,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 13:26:50,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 13:26:50,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 13:26:50,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 13:26:50,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 13:26:50,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 13:26:50,910 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 13:26:50,910 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 13:26:50,910 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 13:26:50,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 13:26:50,910 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 13:26:50,911 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 13:26:50,911 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 13:26:50,911 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 13:26:50,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2023-02-18 13:26:51,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 13:26:51,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 13:26:51,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 13:26:51,239 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 13:26:51,239 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 13:26:51,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-18 13:26:52,342 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 13:26:52,551 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 13:26:52,552 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-18 13:26:52,556 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003f3a0ac/2c0a9d0a582e4a3d813d65b44acdb988/FLAG7bc26b6c0 [2023-02-18 13:26:52,567 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/003f3a0ac/2c0a9d0a582e4a3d813d65b44acdb988 [2023-02-18 13:26:52,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 13:26:52,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 13:26:52,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 13:26:52,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 13:26:52,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 13:26:52,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591f1d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52, skipping insertion in model container [2023-02-18 13:26:52,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 13:26:52,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 13:26:52,691 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] [2023-02-18 13:26:52,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 13:26:52,721 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 13:26:52,738 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] [2023-02-18 13:26:52,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 13:26:52,752 INFO L208 MainTranslator]: Completed translation [2023-02-18 13:26:52,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52 WrapperNode [2023-02-18 13:26:52,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 13:26:52,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 13:26:52,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 13:26:52,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 13:26:52,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,781 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-18 13:26:52,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 13:26:52,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 13:26:52,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 13:26:52,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 13:26:52,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,804 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 13:26:52,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 13:26:52,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 13:26:52,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 13:26:52,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (1/1) ... [2023-02-18 13:26:52,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 13:26:52,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 13:26:52,842 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) [2023-02-18 13:26:52,854 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 [2023-02-18 13:26:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 13:26:52,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 13:26:52,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 13:26:52,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-18 13:26:52,938 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 13:26:52,940 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 13:26:53,041 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 13:26:53,058 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 13:26:53,060 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-18 13:26:53,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:26:53 BoogieIcfgContainer [2023-02-18 13:26:53,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 13:26:53,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 13:26:53,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 13:26:53,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 13:26:53,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:26:52" (1/3) ... [2023-02-18 13:26:53,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331a4da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:26:53, skipping insertion in model container [2023-02-18 13:26:53,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:26:52" (2/3) ... [2023-02-18 13:26:53,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@331a4da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:26:53, skipping insertion in model container [2023-02-18 13:26:53,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:26:53" (3/3) ... [2023-02-18 13:26:53,070 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2023-02-18 13:26:53,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 13:26:53,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 13:26:53,136 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 13:26:53,143 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;@4a71b6e1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 13:26:53,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 13:26:53,147 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) [2023-02-18 13:26:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-18 13:26:53,152 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 13:26:53,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-18 13:26:53,153 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 13:26:53,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 13:26:53,159 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-18 13:26:53,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-18 13:26:53,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246386471] [2023-02-18 13:26:53,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 13:26:53,173 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 [2023-02-18 13:26:53,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-18 13:26:53,177 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) [2023-02-18 13:26:53,212 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 [2023-02-18 13:26:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 13:26:53,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 13:26:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 13:26:53,263 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-18 13:26:53,268 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 13:26:53,269 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 13:26:53,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-02-18 13:26:53,481 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 [2023-02-18 13:26:53,485 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-18 13:26:53,488 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 13:26:53,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:26:53 BoogieIcfgContainer [2023-02-18 13:26:53,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 13:26:53,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 13:26:53,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 13:26:53,503 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 13:26:53,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:26:53" (3/4) ... [2023-02-18 13:26:53,506 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-18 13:26:53,539 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 13:26:53,539 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 13:26:53,540 INFO L158 Benchmark]: Toolchain (without parser) took 969.82ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 88.9MB in the end (delta: -489.0kB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,541 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 13:26:53,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.39ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 78.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.71ms. Allocated memory is still 111.1MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,543 INFO L158 Benchmark]: Boogie Preprocessor took 25.39ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 75.9MB in the end (delta: 913.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,543 INFO L158 Benchmark]: RCFGBuilder took 252.84ms. Allocated memory is still 111.1MB. Free memory was 75.9MB in the beginning and 67.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,544 INFO L158 Benchmark]: TraceAbstraction took 437.65ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 55.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,544 INFO L158 Benchmark]: Witness Printer took 36.65ms. Allocated memory is still 111.1MB. Free memory was 55.4MB in the beginning and 88.9MB in the end (delta: -33.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-02-18 13:26:53,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.39ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 78.3MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.71ms. Allocated memory is still 111.1MB. Free memory was 78.3MB in the beginning and 76.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.39ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 75.9MB in the end (delta: 913.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.84ms. Allocated memory is still 111.1MB. Free memory was 75.9MB in the beginning and 67.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 437.65ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 55.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 36.65ms. Allocated memory is still 111.1MB. Free memory was 55.4MB in the beginning and 88.9MB in the end (delta: -33.5MB). Peak memory consumption was 6.5MB. 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! [2023-02-18 13:26:53,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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