./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 f470102c 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 0.1.25-f470102 [2019-11-28 15:39:15,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:39:15,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:39:15,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:39:15,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:39:15,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:39:15,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:39:15,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:39:15,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:39:15,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:39:15,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:39:15,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:39:15,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:39:15,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:39:15,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:39:15,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:39:15,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:39:15,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:39:15,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:39:15,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:39:15,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:39:15,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:39:15,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:39:15,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:39:15,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:39:15,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:39:15,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:39:15,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:39:15,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:39:15,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:39:15,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:39:15,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:39:15,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:39:15,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:39:15,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:39:15,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:39:15,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:39:15,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:39:15,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:39:15,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:39:15,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:39:15,464 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 15:39:15,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:39:15,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:39:15,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:39:15,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:39:15,482 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:39:15,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:39:15,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:39:15,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 15:39:15,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:39:15,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:39:15,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:39:15,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:39:15,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:39:15,485 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:39:15,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:39:15,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:39:15,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:39:15,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:39:15,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:39:15,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:39:15,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:39:15,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:39:15,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:39:15,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:39:15,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:39:15,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 15:39:15,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 15:39:15,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:39:15,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:39:15,489 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 [2019-11-28 15:39:15,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:39:15,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:39:15,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:39:15,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:39:15,875 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:39:15,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-28 15:39:15,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ed0f920/4be0b0d6aa0944648cbdbed1898f2fba/FLAG8bb6cfa67 [2019-11-28 15:39:16,372 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:39:16,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-28 15:39:16,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ed0f920/4be0b0d6aa0944648cbdbed1898f2fba/FLAG8bb6cfa67 [2019-11-28 15:39:16,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ed0f920/4be0b0d6aa0944648cbdbed1898f2fba [2019-11-28 15:39:16,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:39:16,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:39:16,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:16,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:39:16,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:39:16,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:16" (1/1) ... [2019-11-28 15:39:16,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177923f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:16, skipping insertion in model container [2019-11-28 15:39:16,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:16" (1/1) ... [2019-11-28 15:39:16,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:39:16,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:39:16,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:16,980 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:39:16,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:17,008 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:39:17,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17 WrapperNode [2019-11-28 15:39:17,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:17,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:17,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:39:17,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:39:17,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:17,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:39:17,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:39:17,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:39:17,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (1/1) ... [2019-11-28 15:39:17,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:39:17,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:39:17,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:39:17,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:39:17,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (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 [2019-11-28 15:39:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:39:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:39:17,313 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:39:17,313 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 15:39:17,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:17 BoogieIcfgContainer [2019-11-28 15:39:17,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:39:17,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:39:17,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:39:17,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:39:17,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:39:16" (1/3) ... [2019-11-28 15:39:17,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75de8aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:17, skipping insertion in model container [2019-11-28 15:39:17,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:17" (2/3) ... [2019-11-28 15:39:17,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75de8aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:17, skipping insertion in model container [2019-11-28 15:39:17,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:17" (3/3) ... [2019-11-28 15:39:17,322 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-28 15:39:17,330 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:39:17,337 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:39:17,350 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:39:17,372 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:39:17,373 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:39:17,373 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:39:17,373 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:39:17,373 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:39:17,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:39:17,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:39:17,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:39:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-28 15:39:17,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 15:39:17,396 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:39:17,397 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 15:39:17,398 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:39:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:39:17,406 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-28 15:39:17,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 15:39:17,416 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640664135] [2019-11-28 15:39:17,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 15:39:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:17,528 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 15:39:17,529 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:39:17,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:39:17 BoogieIcfgContainer [2019-11-28 15:39:17,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:39:17,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:39:17,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:39:17,547 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:39:17,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:17" (3/4) ... [2019-11-28 15:39:17,552 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 15:39:17,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:39:17,556 INFO L168 Benchmark]: Toolchain (without parser) took 773.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -131.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:17,557 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:17,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:17,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:17,560 INFO L168 Benchmark]: Boogie Preprocessor took 17.47 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. [2019-11-28 15:39:17,561 INFO L168 Benchmark]: RCFGBuilder took 192.45 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:17,562 INFO L168 Benchmark]: TraceAbstraction took 230.84 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:17,563 INFO L168 Benchmark]: Witness Printer took 5.79 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. [2019-11-28 15:39:17,567 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 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 94.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.47 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 192.45 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: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 230.84 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.79 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 0.1.25-f470102 [2019-11-28 15:39:19,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 15:39:19,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 15:39:19,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 15:39:19,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 15:39:19,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 15:39:19,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 15:39:19,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 15:39:19,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 15:39:19,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 15:39:19,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 15:39:19,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 15:39:19,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 15:39:19,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 15:39:19,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 15:39:19,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 15:39:19,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 15:39:19,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 15:39:19,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 15:39:19,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 15:39:19,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 15:39:19,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 15:39:19,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 15:39:19,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 15:39:19,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 15:39:19,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 15:39:19,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 15:39:19,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 15:39:19,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 15:39:19,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 15:39:19,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 15:39:19,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 15:39:19,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 15:39:19,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 15:39:19,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 15:39:19,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 15:39:19,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 15:39:19,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 15:39:19,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 15:39:19,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 15:39:19,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 15:39:19,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-28 15:39:19,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 15:39:19,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 15:39:19,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 15:39:19,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 15:39:19,622 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 15:39:19,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 15:39:19,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 15:39:19,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 15:39:19,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 15:39:19,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 15:39:19,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 15:39:19,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 15:39:19,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-28 15:39:19,625 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-28 15:39:19,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 15:39:19,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 15:39:19,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 15:39:19,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 15:39:19,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 15:39:19,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 15:39:19,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 15:39:19,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 15:39:19,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 15:39:19,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 15:39:19,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 15:39:19,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 15:39:19,629 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-28 15:39:19,629 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-28 15:39:19,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 15:39:19,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 15:39:19,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-28 15:39:19,630 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 [2019-11-28 15:39:19,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 15:39:19,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 15:39:19,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 15:39:19,958 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 15:39:19,959 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 15:39:19,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-28 15:39:20,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8821e6bb2/8f9db27e29fe481385dbc8bc644bf83f/FLAG037de79d0 [2019-11-28 15:39:20,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 15:39:20,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-11-28 15:39:20,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8821e6bb2/8f9db27e29fe481385dbc8bc644bf83f/FLAG037de79d0 [2019-11-28 15:39:20,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8821e6bb2/8f9db27e29fe481385dbc8bc644bf83f [2019-11-28 15:39:20,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 15:39:20,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 15:39:20,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:20,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 15:39:20,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 15:39:20,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:20" (1/1) ... [2019-11-28 15:39:20,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61eec820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:20, skipping insertion in model container [2019-11-28 15:39:20,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:20" (1/1) ... [2019-11-28 15:39:20,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 15:39:20,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 15:39:21,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:21,131 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 15:39:21,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 15:39:21,167 INFO L208 MainTranslator]: Completed translation [2019-11-28 15:39:21,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21 WrapperNode [2019-11-28 15:39:21,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 15:39:21,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:21,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 15:39:21,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 15:39:21,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 15:39:21,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 15:39:21,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 15:39:21,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 15:39:21,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (1/1) ... [2019-11-28 15:39:21,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 15:39:21,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 15:39:21,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 15:39:21,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 15:39:21,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (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 [2019-11-28 15:39:21,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 15:39:21,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 15:39:21,468 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 15:39:21,468 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 15:39:21,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:21 BoogieIcfgContainer [2019-11-28 15:39:21,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 15:39:21,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 15:39:21,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 15:39:21,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 15:39:21,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:39:20" (1/3) ... [2019-11-28 15:39:21,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf97403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:21, skipping insertion in model container [2019-11-28 15:39:21,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:21" (2/3) ... [2019-11-28 15:39:21,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf97403 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:39:21, skipping insertion in model container [2019-11-28 15:39:21,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:21" (3/3) ... [2019-11-28 15:39:21,478 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-11-28 15:39:21,486 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 15:39:21,491 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-28 15:39:21,504 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-28 15:39:21,528 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 15:39:21,529 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 15:39:21,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 15:39:21,530 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 15:39:21,530 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 15:39:21,530 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 15:39:21,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 15:39:21,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 15:39:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-28 15:39:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-28 15:39:21,553 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 15:39:21,554 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-28 15:39:21,554 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 15:39:21,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 15:39:21,561 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-28 15:39:21,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-28 15:39:21,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585721240] [2019-11-28 15:39:21,571 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 [2019-11-28 15:39:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 15:39:21,627 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-28 15:39:21,628 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-28 15:39:21,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-28 15:39:21,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:39:21 BoogieIcfgContainer [2019-11-28 15:39:21,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 15:39:21,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 15:39:21,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 15:39:21,856 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 15:39:21,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:21" (3/4) ... [2019-11-28 15:39:21,858 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-28 15:39:21,893 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 15:39:21,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 15:39:21,895 INFO L168 Benchmark]: Toolchain (without parser) took 1032.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -138.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:21,896 INFO L168 Benchmark]: CDTParser took 0.25 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. [2019-11-28 15:39:21,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.23 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 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. [2019-11-28 15:39:21,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:21,899 INFO L168 Benchmark]: Boogie Preprocessor took 19.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 15:39:21,899 INFO L168 Benchmark]: RCFGBuilder took 188.04 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:21,900 INFO L168 Benchmark]: TraceAbstraction took 384.70 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:21,903 INFO L168 Benchmark]: Witness Printer took 37.96 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 15:39:21,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 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 305.23 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 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 92.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 188.04 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 384.70 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Witness Printer took 37.96 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: 6.5 MB). Peak memory consumption was 6.5 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...