./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 a31fd051 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-?-a31fd05 [2023-02-15 10:23:30,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:23:30,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:23:30,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:23:30,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:23:30,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:23:30,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:23:30,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:23:30,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:23:30,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:23:30,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:23:30,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:23:30,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:23:30,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:23:30,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:23:30,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:23:30,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:23:30,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:23:30,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:23:30,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:23:30,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:23:30,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:23:30,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:23:30,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:23:30,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:23:30,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:23:30,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:23:30,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:23:30,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:23:30,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:23:30,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:23:30,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:23:30,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:23:30,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:23:30,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:23:30,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:23:30,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:23:30,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:23:30,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:23:30,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:23:30,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:23:30,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 10:23:30,277 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:23:30,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:23:30,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:23:30,278 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:23:30,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:23:30,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:23:30,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:23:30,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:23:30,279 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:23:30,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:23:30,280 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:23:30,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 10:23:30,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:23:30,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:23:30,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:23:30,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:23:30,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:23:30,281 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:23:30,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:23:30,282 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:23:30,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:23:30,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:23:30,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:23:30,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:23:30,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:30,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:23:30,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:23:30,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:23:30,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 10:23:30,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 10:23:30,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:23:30,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:23:30,284 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:23:30,284 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:23:30,284 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:23:30,285 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2023-02-15 10:23:30,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:23:30,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:23:30,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:23:30,567 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:23:30,567 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:23:30,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-15 10:23:31,721 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:23:31,849 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:23:31,850 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-15 10:23:31,855 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b29abd88/1682e8aafc924f5682adbc761d62c544/FLAG8da089883 [2023-02-15 10:23:31,871 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b29abd88/1682e8aafc924f5682adbc761d62c544 [2023-02-15 10:23:31,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:23:31,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:23:31,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:31,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:23:31,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:23:31,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:31" (1/1) ... [2023-02-15 10:23:31,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a8e8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:31, skipping insertion in model container [2023-02-15 10:23:31,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:31" (1/1) ... [2023-02-15 10:23:31,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:23:31,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:23:32,038 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] [2023-02-15 10:23:32,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:32,055 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:23:32,067 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] [2023-02-15 10:23:32,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:32,079 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:23:32,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32 WrapperNode [2023-02-15 10:23:32,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:32,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:32,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:23:32,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:23:32,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,105 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-15 10:23:32,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:32,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:23:32,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:23:32,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:23:32,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,122 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:23:32,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:23:32,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:23:32,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:23:32,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (1/1) ... [2023-02-15 10:23:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:32,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:23:32,160 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) [2023-02-15 10:23:32,166 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 [2023-02-15 10:23:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:23:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:23:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:23:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 10:23:32,247 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:23:32,248 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:23:32,322 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:23:32,327 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:23:32,327 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 10:23:32,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:32 BoogieIcfgContainer [2023-02-15 10:23:32,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:23:32,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:23:32,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:23:32,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:23:32,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:23:31" (1/3) ... [2023-02-15 10:23:32,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a399f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:32, skipping insertion in model container [2023-02-15 10:23:32,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:32" (2/3) ... [2023-02-15 10:23:32,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a399f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:32, skipping insertion in model container [2023-02-15 10:23:32,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:32" (3/3) ... [2023-02-15 10:23:32,338 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2023-02-15 10:23:32,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:23:32,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:23:32,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:23:32,407 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;@22ff764a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:23:32,408 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:23:32,411 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) [2023-02-15 10:23:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 10:23:32,416 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:23:32,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 10:23:32,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:23:32,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:23:32,423 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-15 10:23:32,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:23:32,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70987728] [2023-02-15 10:23:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:23:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:23:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:32,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 10:23:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:32,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 10:23:32,577 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 10:23:32,578 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 10:23:32,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 10:23:32,583 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-15 10:23:32,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 10:23:32,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:23:32 BoogieIcfgContainer [2023-02-15 10:23:32,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 10:23:32,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 10:23:32,607 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 10:23:32,607 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 10:23:32,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:32" (3/4) ... [2023-02-15 10:23:32,610 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-15 10:23:32,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 10:23:32,612 INFO L158 Benchmark]: Toolchain (without parser) took 734.44ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 57.2MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-02-15 10:23:32,612 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:32,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.29ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 82.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 10:23:32,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.12ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:32,615 INFO L158 Benchmark]: Boogie Preprocessor took 21.65ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:23:32,619 INFO L158 Benchmark]: RCFGBuilder took 200.68ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 71.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 10:23:32,619 INFO L158 Benchmark]: TraceAbstraction took 273.22ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 57.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-15 10:23:32,620 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 138.4MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:32,626 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 138.4MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.29ms. Allocated memory is still 138.4MB. Free memory was 92.3MB in the beginning and 82.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.12ms. Allocated memory is still 138.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.65ms. Allocated memory is still 138.4MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 200.68ms. Allocated memory is still 138.4MB. Free memory was 80.2MB in the beginning and 71.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 273.22ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 57.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 138.4MB. Free memory was 57.2MB in the beginning and 57.2MB in the end (delta: 2.7kB). 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 [2023-02-15 10:23:32,649 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-?-a31fd05 [2023-02-15 10:23:34,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:23:34,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:23:34,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:23:34,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:23:34,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:23:34,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:23:34,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:23:34,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:23:34,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:23:34,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:23:34,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:23:34,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:23:34,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:23:34,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:23:34,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:23:34,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:23:34,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:23:34,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:23:34,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:23:34,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:23:34,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:23:34,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:23:34,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:23:34,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:23:34,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:23:34,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:23:34,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:23:34,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:23:34,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:23:34,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:23:34,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:23:34,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:23:34,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:23:34,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:23:34,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:23:34,803 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:23:34,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:23:34,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:23:34,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:23:34,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:23:34,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-02-15 10:23:34,857 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:23:34,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:23:34,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:23:34,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:23:34,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:23:34,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:23:34,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:23:34,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:23:34,861 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:23:34,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:23:34,862 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:23:34,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:23:34,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:23:34,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:23:34,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:23:34,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:23:34,864 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 10:23:34,864 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 10:23:34,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 10:23:34,864 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:23:34,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:23:34,865 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:23:34,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:23:34,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:23:34,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:23:34,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:23:34,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:34,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:23:34,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:23:34,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:23:34,866 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 10:23:34,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 10:23:34,867 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:23:34,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:23:34,868 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:23:34,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:23:34,868 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 10:23:34,868 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:23:34,868 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2023-02-15 10:23:35,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:23:35,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:23:35,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:23:35,216 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:23:35,218 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:23:35,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-15 10:23:36,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:23:36,402 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:23:36,403 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2023-02-15 10:23:36,417 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d9d91d8/f0974064866f41b695e7cddf1c75dbb3/FLAGa1fdff668 [2023-02-15 10:23:36,432 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3d9d91d8/f0974064866f41b695e7cddf1c75dbb3 [2023-02-15 10:23:36,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:23:36,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:23:36,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:36,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:23:36,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:23:36,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7312d991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36, skipping insertion in model container [2023-02-15 10:23:36,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:23:36,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:23:36,594 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] [2023-02-15 10:23:36,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:36,610 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:23:36,621 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] [2023-02-15 10:23:36,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:23:36,633 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:23:36,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36 WrapperNode [2023-02-15 10:23:36,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:23:36,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:36,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:23:36,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:23:36,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,661 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-02-15 10:23:36,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:23:36,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:23:36,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:23:36,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:23:36,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:23:36,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:23:36,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:23:36,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:23:36,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (1/1) ... [2023-02-15 10:23:36,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:23:36,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:23:36,718 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) [2023-02-15 10:23:36,747 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 [2023-02-15 10:23:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:23:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:23:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:23:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-02-15 10:23:36,830 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:23:36,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:23:36,936 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:23:36,947 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:23:36,947 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-02-15 10:23:36,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:36 BoogieIcfgContainer [2023-02-15 10:23:36,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:23:36,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:23:36,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:23:36,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:23:36,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:23:36" (1/3) ... [2023-02-15 10:23:36,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46263bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:36, skipping insertion in model container [2023-02-15 10:23:36,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:23:36" (2/3) ... [2023-02-15 10:23:36,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46263bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:23:36, skipping insertion in model container [2023-02-15 10:23:36,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:36" (3/3) ... [2023-02-15 10:23:36,964 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2023-02-15 10:23:36,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:23:36,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:23:37,022 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:23:37,027 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;@1a233d5d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:23:37,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:23:37,030 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) [2023-02-15 10:23:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-02-15 10:23:37,036 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:23:37,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-02-15 10:23:37,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:23:37,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:23:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2023-02-15 10:23:37,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-02-15 10:23:37,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563050288] [2023-02-15 10:23:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:23:37,054 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 [2023-02-15 10:23:37,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-02-15 10:23:37,061 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) [2023-02-15 10:23:37,081 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 [2023-02-15 10:23:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:37,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 10:23:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:23:37,181 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-02-15 10:23:37,184 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 10:23:37,185 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 10:23:37,201 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 [2023-02-15 10:23:37,393 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 [2023-02-15 10:23:37,398 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-02-15 10:23:37,402 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 10:23:37,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:23:37 BoogieIcfgContainer [2023-02-15 10:23:37,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 10:23:37,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 10:23:37,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 10:23:37,422 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 10:23:37,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:23:36" (3/4) ... [2023-02-15 10:23:37,424 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 10:23:37,462 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 10:23:37,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 10:23:37,464 INFO L158 Benchmark]: Toolchain (without parser) took 1025.51ms. Allocated memory is still 79.7MB. Free memory was 58.6MB in the beginning and 45.4MB in the end (delta: 13.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-02-15 10:23:37,464 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:37,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.17ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 48.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:23:37,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.67ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 47.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:23:37,467 INFO L158 Benchmark]: Boogie Preprocessor took 25.89ms. Allocated memory is still 79.7MB. Free memory was 47.0MB in the beginning and 45.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:23:37,469 INFO L158 Benchmark]: RCFGBuilder took 260.18ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 37.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 10:23:37,470 INFO L158 Benchmark]: TraceAbstraction took 461.73ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 46.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:23:37,471 INFO L158 Benchmark]: Witness Printer took 41.10ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 45.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:23:37,476 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 56.6MB. Free memory was 32.9MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.17ms. Allocated memory is still 79.7MB. Free memory was 58.4MB in the beginning and 48.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.67ms. Allocated memory is still 79.7MB. Free memory was 48.4MB in the beginning and 47.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.89ms. Allocated memory is still 79.7MB. Free memory was 47.0MB in the beginning and 45.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.18ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 37.1MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 461.73ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 46.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 41.10ms. Allocated memory is still 79.7MB. Free memory was 46.7MB in the beginning and 45.4MB in the end (delta: 1.4MB). 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 - 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! [2023-02-15 10:23:37,496 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