./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.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: 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 /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.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 0.1.24-2e94e6a [2018-12-30 16:02:46,314 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 16:02:46,316 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 16:02:46,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 16:02:46,329 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 16:02:46,330 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 16:02:46,332 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 16:02:46,334 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 16:02:46,336 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 16:02:46,336 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 16:02:46,337 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 16:02:46,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 16:02:46,339 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 16:02:46,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 16:02:46,342 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 16:02:46,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 16:02:46,343 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 16:02:46,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 16:02:46,347 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 16:02:46,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 16:02:46,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 16:02:46,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 16:02:46,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 16:02:46,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 16:02:46,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 16:02:46,356 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 16:02:46,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 16:02:46,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 16:02:46,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 16:02:46,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 16:02:46,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 16:02:46,361 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 16:02:46,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 16:02:46,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 16:02:46,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 16:02:46,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 16:02:46,365 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 16:02:46,380 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 16:02:46,381 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 16:02:46,382 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 16:02:46,382 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 16:02:46,382 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 16:02:46,383 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 16:02:46,383 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 16:02:46,383 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 16:02:46,383 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 16:02:46,383 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 16:02:46,383 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 16:02:46,384 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 16:02:46,384 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 16:02:46,384 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 16:02:46,384 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 16:02:46,384 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 16:02:46,384 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 16:02:46,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 16:02:46,386 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 16:02:46,387 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 16:02:46,387 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 16:02:46,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:02:46,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 16:02:46,387 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 16:02:46,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 16:02:46,388 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 16:02:46,389 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 16:02:46,389 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 16:02:46,389 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 [2018-12-30 16:02:46,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 16:02:46,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 16:02:46,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 16:02:46,454 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 16:02:46,455 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 16:02:46,456 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-30 16:02:46,525 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea3bc8a2/3c33ef2c3ff3453f892a6dca35d5f5d3/FLAG7db9ae3f0 [2018-12-30 16:02:46,962 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 16:02:46,963 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-30 16:02:46,970 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea3bc8a2/3c33ef2c3ff3453f892a6dca35d5f5d3/FLAG7db9ae3f0 [2018-12-30 16:02:47,337 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ea3bc8a2/3c33ef2c3ff3453f892a6dca35d5f5d3 [2018-12-30 16:02:47,342 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 16:02:47,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 16:02:47,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:47,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 16:02:47,351 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 16:02:47,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccf8dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47, skipping insertion in model container [2018-12-30 16:02:47,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 16:02:47,384 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 16:02:47,620 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:47,626 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 16:02:47,646 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:47,664 INFO L195 MainTranslator]: Completed translation [2018-12-30 16:02:47,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47 WrapperNode [2018-12-30 16:02:47,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:47,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:47,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 16:02:47,666 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 16:02:47,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:47,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 16:02:47,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 16:02:47,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 16:02:47,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (1/1) ... [2018-12-30 16:02:47,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 16:02:47,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 16:02:47,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 16:02:47,729 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 16:02:47,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (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 [2018-12-30 16:02:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 16:02:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 16:02:48,006 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 16:02:48,007 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-30 16:02:48,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:48 BoogieIcfgContainer [2018-12-30 16:02:48,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 16:02:48,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 16:02:48,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 16:02:48,012 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 16:02:48,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 04:02:47" (1/3) ... [2018-12-30 16:02:48,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29de3647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:48, skipping insertion in model container [2018-12-30 16:02:48,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:47" (2/3) ... [2018-12-30 16:02:48,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29de3647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:48, skipping insertion in model container [2018-12-30 16:02:48,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:48" (3/3) ... [2018-12-30 16:02:48,017 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-12-30 16:02:48,029 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 16:02:48,041 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 16:02:48,056 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 16:02:48,090 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 16:02:48,090 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 16:02:48,091 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 16:02:48,091 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 16:02:48,091 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 16:02:48,091 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 16:02:48,091 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 16:02:48,091 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 16:02:48,091 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 16:02:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-30 16:02:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-30 16:02:48,115 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 16:02:48,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-30 16:02:48,119 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 16:02:48,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 16:02:48,125 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-12-30 16:02:48,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 16:02:48,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 16:02:48,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 16:02:48,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 16:02:48,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 16:02:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:48,245 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-30 16:02:48,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 04:02:48 BoogieIcfgContainer [2018-12-30 16:02:48,259 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 16:02:48,260 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 16:02:48,260 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 16:02:48,260 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 16:02:48,261 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:48" (3/4) ... [2018-12-30 16:02:48,264 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-30 16:02:48,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 16:02:48,265 INFO L168 Benchmark]: Toolchain (without parser) took 921.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:48,267 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:48,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:48,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.39 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:48,270 INFO L168 Benchmark]: Boogie Preprocessor took 21.58 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:48,271 INFO L168 Benchmark]: RCFGBuilder took 279.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:48,272 INFO L168 Benchmark]: TraceAbstraction took 251.37 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:48,273 INFO L168 Benchmark]: Witness Printer took 4.12 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. [2018-12-30 16:02:48,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 40.39 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.58 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 279.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -180.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 251.37 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.12 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. * 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. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.24-2e94e6a [2018-12-30 16:02:50,630 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 16:02:50,632 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 16:02:50,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 16:02:50,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 16:02:50,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 16:02:50,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 16:02:50,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 16:02:50,651 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 16:02:50,652 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 16:02:50,653 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 16:02:50,653 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 16:02:50,655 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 16:02:50,656 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 16:02:50,658 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 16:02:50,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 16:02:50,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 16:02:50,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 16:02:50,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 16:02:50,666 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 16:02:50,667 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 16:02:50,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 16:02:50,671 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 16:02:50,671 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 16:02:50,671 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 16:02:50,673 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 16:02:50,674 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 16:02:50,674 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 16:02:50,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 16:02:50,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 16:02:50,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 16:02:50,678 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 16:02:50,678 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 16:02:50,679 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 16:02:50,680 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 16:02:50,681 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 16:02:50,681 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-30 16:02:50,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 16:02:50,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 16:02:50,698 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 16:02:50,698 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 16:02:50,698 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 16:02:50,699 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 16:02:50,699 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 16:02:50,700 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 16:02:50,700 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 16:02:50,700 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 16:02:50,700 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 16:02:50,700 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 16:02:50,700 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-30 16:02:50,701 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-30 16:02:50,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 16:02:50,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 16:02:50,703 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 16:02:50,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 16:02:50,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 16:02:50,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 16:02:50,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 16:02:50,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 16:02:50,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:02:50,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 16:02:50,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 16:02:50,707 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 16:02:50,707 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-30 16:02:50,707 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 16:02:50,708 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-30 16:02:50,708 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-30 16:02:50,708 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 [2018-12-30 16:02:50,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 16:02:50,784 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 16:02:50,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 16:02:50,790 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 16:02:50,790 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 16:02:50,791 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-30 16:02:50,856 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed24cf000/c1c7ed864fad481b804d5bb45ebf24a9/FLAG2ace84551 [2018-12-30 16:02:51,313 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 16:02:51,314 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-30 16:02:51,320 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed24cf000/c1c7ed864fad481b804d5bb45ebf24a9/FLAG2ace84551 [2018-12-30 16:02:51,676 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed24cf000/c1c7ed864fad481b804d5bb45ebf24a9 [2018-12-30 16:02:51,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 16:02:51,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 16:02:51,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:51,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 16:02:51,686 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 16:02:51,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:51,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ab9922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51, skipping insertion in model container [2018-12-30 16:02:51,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:51,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 16:02:51,717 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 16:02:51,920 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:51,928 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 16:02:51,948 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:51,967 INFO L195 MainTranslator]: Completed translation [2018-12-30 16:02:51,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51 WrapperNode [2018-12-30 16:02:51,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:51,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:51,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 16:02:51,969 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 16:02:51,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:51,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:52,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 16:02:52,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 16:02:52,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 16:02:52,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (1/1) ... [2018-12-30 16:02:52,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 16:02:52,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 16:02:52,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 16:02:52,036 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 16:02:52,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (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 [2018-12-30 16:02:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 16:02:52,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 16:02:52,364 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 16:02:52,364 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-30 16:02:52,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:52 BoogieIcfgContainer [2018-12-30 16:02:52,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 16:02:52,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 16:02:52,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 16:02:52,370 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 16:02:52,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 04:02:51" (1/3) ... [2018-12-30 16:02:52,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dfb4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:52, skipping insertion in model container [2018-12-30 16:02:52,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:51" (2/3) ... [2018-12-30 16:02:52,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dfb4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:52, skipping insertion in model container [2018-12-30 16:02:52,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:52" (3/3) ... [2018-12-30 16:02:52,374 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-12-30 16:02:52,383 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 16:02:52,390 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 16:02:52,408 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 16:02:52,439 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 16:02:52,440 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 16:02:52,440 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 16:02:52,440 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 16:02:52,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 16:02:52,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 16:02:52,441 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 16:02:52,441 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 16:02:52,441 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 16:02:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-30 16:02:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-30 16:02:52,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 16:02:52,463 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-30 16:02:52,466 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 16:02:52,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 16:02:52,472 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-12-30 16:02:52,477 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-30 16:02:52,478 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-30 16:02:52,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 16:02:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:52,570 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-30 16:02:52,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 04:02:52 BoogieIcfgContainer [2018-12-30 16:02:52,586 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 16:02:52,587 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 16:02:52,587 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 16:02:52,587 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 16:02:52,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:52" (3/4) ... [2018-12-30 16:02:52,590 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-30 16:02:52,644 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 16:02:52,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 16:02:52,645 INFO L168 Benchmark]: Toolchain (without parser) took 965.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:52,647 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:52,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.77 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:52,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.67 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:52,651 INFO L168 Benchmark]: Boogie Preprocessor took 24.16 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:52,651 INFO L168 Benchmark]: RCFGBuilder took 329.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:52,652 INFO L168 Benchmark]: TraceAbstraction took 220.42 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:52,655 INFO L168 Benchmark]: Witness Printer took 57.53 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. [2018-12-30 16:02:52,662 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.77 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 41.67 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.16 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 329.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 220.42 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Witness Printer took 57.53 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. * 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. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...