./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 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff63897979b5dc3504f5d670d2783900c29ce57 ....................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ff63897979b5dc3504f5d670d2783900c29ce57 ............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:34:46,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:34:46,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:34:46,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:34:46,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:34:46,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:34:46,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:34:46,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:34:46,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:34:46,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:34:46,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:34:46,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:34:46,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:34:46,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:34:46,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:34:46,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:34:46,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:34:46,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:34:46,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:34:46,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:34:46,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:34:46,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:34:46,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:34:46,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:34:46,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:34:46,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:34:46,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:34:46,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:34:46,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:34:46,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:34:46,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:34:46,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:34:46,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:34:46,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:34:46,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:34:46,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:34:46,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:34:46,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:34:46,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:34:46,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:34:46,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:34:46,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 22:34:46,686 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:34:46,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:34:46,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:34:46,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:34:46,689 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:34:46,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:34:46,690 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:34:46,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 22:34:46,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:34:46,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:34:46,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:34:46,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:34:46,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:34:46,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:34:46,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:34:46,693 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:34:46,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:34:46,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:34:46,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:34:46,694 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:34:46,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:34:46,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:34:46,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:34:46,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:34:46,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:34:46,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 22:34:46,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 22:34:46,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:34:46,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-11-27 22:34:47,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:34:47,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:34:47,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:34:47,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:34:47,019 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:34:47,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-27 22:34:47,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a47e3f33/8ff7ce25989043629dc58809567c3845/FLAG91a256721 [2019-11-27 22:34:47,540 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:34:47,540 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-27 22:34:47,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a47e3f33/8ff7ce25989043629dc58809567c3845/FLAG91a256721 [2019-11-27 22:34:47,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a47e3f33/8ff7ce25989043629dc58809567c3845 [2019-11-27 22:34:47,927 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:34:47,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:34:47,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:47,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:34:47,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:34:47,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:47" (1/1) ... [2019-11-27 22:34:47,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f9215c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:47, skipping insertion in model container [2019-11-27 22:34:47,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:47" (1/1) ... [2019-11-27 22:34:47,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:34:47,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:34:48,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:48,150 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:34:48,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:48,181 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:34:48,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48 WrapperNode [2019-11-27 22:34:48,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:48,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:48,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:34:48,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:34:48,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:48,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:34:48,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:34:48,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:34:48,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... [2019-11-27 22:34:48,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:34:48,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:34:48,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:34:48,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:34:48,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:34:48,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:34:48,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:34:48,481 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:34:48,482 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-27 22:34:48,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:48 BoogieIcfgContainer [2019-11-27 22:34:48,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:34:48,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:34:48,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:34:48,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:34:48,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:34:47" (1/3) ... [2019-11-27 22:34:48,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6888ab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:48, skipping insertion in model container [2019-11-27 22:34:48,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:48" (2/3) ... [2019-11-27 22:34:48,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6888ab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:48, skipping insertion in model container [2019-11-27 22:34:48,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:48" (3/3) ... [2019-11-27 22:34:48,491 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-27 22:34:48,498 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:34:48,505 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:34:48,517 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:34:48,541 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:34:48,542 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:34:48,542 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:34:48,542 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:34:48,542 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:34:48,543 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:34:48,543 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:34:48,543 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:34:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-27 22:34:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-27 22:34:48,563 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:34:48,564 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-27 22:34:48,565 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:34:48,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:34:48,571 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-27 22:34:48,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 22:34:48,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52284336] [2019-11-27 22:34:48,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 22:34:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:34:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:34:48,672 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 22:34:48,673 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:34:48,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:34:48 BoogieIcfgContainer [2019-11-27 22:34:48,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:34:48,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:34:48,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:34:48,691 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:34:48,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:48" (3/4) ... [2019-11-27 22:34:48,696 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 22:34:48,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:34:48,699 INFO L168 Benchmark]: Toolchain (without parser) took 768.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -103.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:48,700 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:48,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.31 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:48,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:48,703 INFO L168 Benchmark]: Boogie Preprocessor took 19.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:48,704 INFO L168 Benchmark]: RCFGBuilder took 184.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:48,705 INFO L168 Benchmark]: TraceAbstraction took 205.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:48,706 INFO L168 Benchmark]: Witness Printer took 5.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:48,710 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.31 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -142.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 184.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 205.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.74 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseComplement at line 6. Possible FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 == 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 22:34:50,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 22:34:50,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 22:34:50,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 22:34:50,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 22:34:50,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 22:34:50,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 22:34:50,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 22:34:50,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 22:34:50,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 22:34:50,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 22:34:50,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 22:34:50,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 22:34:50,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 22:34:50,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 22:34:50,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 22:34:50,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 22:34:50,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 22:34:50,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 22:34:50,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 22:34:50,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 22:34:50,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 22:34:50,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 22:34:50,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 22:34:50,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 22:34:50,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 22:34:50,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 22:34:50,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 22:34:50,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 22:34:50,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 22:34:50,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 22:34:50,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 22:34:50,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 22:34:50,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 22:34:50,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 22:34:50,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 22:34:50,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 22:34:50,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 22:34:50,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 22:34:50,751 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 22:34:50,752 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 22:34:50,753 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 22:34:50,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 22:34:50,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 22:34:50,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 22:34:50,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 22:34:50,772 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 22:34:50,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 22:34:50,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 22:34:50,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 22:34:50,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 22:34:50,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 22:34:50,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 22:34:50,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 22:34:50,775 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 22:34:50,775 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 22:34:50,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 22:34:50,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 22:34:50,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 22:34:50,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 22:34:50,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 22:34:50,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 22:34:50,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 22:34:50,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 22:34:50,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:34:50,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 22:34:50,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 22:34:50,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 22:34:50,779 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 22:34:50,779 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 22:34:50,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 22:34:50,780 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 22:34:50,780 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> 0ff63897979b5dc3504f5d670d2783900c29ce57 [2019-11-27 22:34:51,086 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 22:34:51,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 22:34:51,107 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 22:34:51,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 22:34:51,111 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 22:34:51,113 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-27 22:34:51,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3198213bc/c2c0c766658f40948c6a81a26b9840b9/FLAGdb4ea1a84 [2019-11-27 22:34:51,672 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 22:34:51,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-27 22:34:51,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3198213bc/c2c0c766658f40948c6a81a26b9840b9/FLAGdb4ea1a84 [2019-11-27 22:34:52,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3198213bc/c2c0c766658f40948c6a81a26b9840b9 [2019-11-27 22:34:52,024 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 22:34:52,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 22:34:52,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:52,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 22:34:52,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 22:34:52,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79299060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52, skipping insertion in model container [2019-11-27 22:34:52,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 22:34:52,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 22:34:52,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:52,335 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 22:34:52,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 22:34:52,371 INFO L208 MainTranslator]: Completed translation [2019-11-27 22:34:52,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52 WrapperNode [2019-11-27 22:34:52,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 22:34:52,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:52,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 22:34:52,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 22:34:52,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 22:34:52,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 22:34:52,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 22:34:52,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 22:34:52,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... [2019-11-27 22:34:52,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 22:34:52,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 22:34:52,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 22:34:52,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 22:34:52,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 22:34:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 22:34:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 22:34:52,688 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 22:34:52,689 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-27 22:34:52,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:52 BoogieIcfgContainer [2019-11-27 22:34:52,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 22:34:52,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 22:34:52,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 22:34:52,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 22:34:52,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 10:34:52" (1/3) ... [2019-11-27 22:34:52,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38801ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:52, skipping insertion in model container [2019-11-27 22:34:52,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 10:34:52" (2/3) ... [2019-11-27 22:34:52,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38801ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 10:34:52, skipping insertion in model container [2019-11-27 22:34:52,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:52" (3/3) ... [2019-11-27 22:34:52,700 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-27 22:34:52,711 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 22:34:52,719 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 22:34:52,734 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 22:34:52,769 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 22:34:52,769 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 22:34:52,769 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 22:34:52,771 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 22:34:52,771 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 22:34:52,771 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 22:34:52,771 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 22:34:52,771 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 22:34:52,786 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-27 22:34:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-27 22:34:52,792 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 22:34:52,793 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-27 22:34:52,794 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 22:34:52,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 22:34:52,801 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-27 22:34:52,812 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 22:34:52,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268140348] [2019-11-27 22:34:52,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 22:34:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:34:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 22:34:52,884 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-27 22:34:52,885 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 22:34:53,086 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 22:34:53,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 10:34:53 BoogieIcfgContainer [2019-11-27 22:34:53,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 22:34:53,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 22:34:53,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 22:34:53,105 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 22:34:53,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 10:34:52" (3/4) ... [2019-11-27 22:34:53,108 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-27 22:34:53,151 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 22:34:53,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 22:34:53,153 INFO L168 Benchmark]: Toolchain (without parser) took 1127.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -136.2 MB). Peak memory consumption was 5.9 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:53,154 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:53,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.01 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:53,156 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 1.0 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 22:34:53,157 INFO L168 Benchmark]: Boogie Preprocessor took 95.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:53,158 INFO L168 Benchmark]: RCFGBuilder took 181.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:53,159 INFO L168 Benchmark]: TraceAbstraction took 412.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:53,159 INFO L168 Benchmark]: Witness Printer took 47.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 22:34:53,164 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.01 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 1.0 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 181.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 412.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; [L7] COND TRUE result_8 == 0xfa [L12] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...