./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer --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/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer --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-cad4683 [2019-10-22 09:00:08,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:08,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:08,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:08,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:08,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:08,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:08,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:08,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:08,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:08,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:08,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:08,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:08,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:08,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:08,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:08,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:08,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:08,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:08,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:08,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:08,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:08,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:08,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:08,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:08,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:08,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:08,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:08,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:08,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:08,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:08,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:08,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:08,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:08,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:08,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:08,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:08,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:08,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:08,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:08,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:08,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:00:08,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:08,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:08,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:08,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:08,331 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:08,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:08,332 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:08,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:00:08,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:08,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:08,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:08,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:08,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:08,333 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:08,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:08,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:08,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:08,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:08,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:08,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:08,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:08,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:08,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:08,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:08,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:08,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:00:08,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:00:08,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:08,337 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer 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 [2019-10-22 09:00:08,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:08,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:08,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:08,390 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:08,390 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:08,391 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-10-22 09:00:08,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/40c477833/8d429bc9c5ac42c9bd4b90716791d873/FLAGb8a84349d [2019-10-22 09:00:08,785 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:08,785 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-10-22 09:00:08,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/40c477833/8d429bc9c5ac42c9bd4b90716791d873/FLAGb8a84349d [2019-10-22 09:00:09,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/40c477833/8d429bc9c5ac42c9bd4b90716791d873 [2019-10-22 09:00:09,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:09,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:09,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:09,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:09,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:09,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df1a1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09, skipping insertion in model container [2019-10-22 09:00:09,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,215 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:09,229 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:09,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:09,403 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:09,472 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:09,485 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:09,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09 WrapperNode [2019-10-22 09:00:09,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:09,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:09,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:09,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:09,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:09,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:09,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:09,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:09,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... [2019-10-22 09:00:09,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:09,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:09,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:09,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:09,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/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 [2019-10-22 09:00:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:09,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:09,672 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:09,672 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:00:09,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:09 BoogieIcfgContainer [2019-10-22 09:00:09,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:09,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:09,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:09,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:09,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:09" (1/3) ... [2019-10-22 09:00:09,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e09a569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:09, skipping insertion in model container [2019-10-22 09:00:09,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:09" (2/3) ... [2019-10-22 09:00:09,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e09a569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:09, skipping insertion in model container [2019-10-22 09:00:09,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:09" (3/3) ... [2019-10-22 09:00:09,680 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-10-22 09:00:09,689 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:09,695 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:09,704 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:09,724 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:09,724 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:09,724 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:09,725 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:09,725 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:09,725 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:09,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:09,725 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-10-22 09:00:09,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 09:00:09,748 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:09,749 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 09:00:09,750 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:09,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:09,756 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-10-22 09:00:09,764 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:00:09,765 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123491033] [2019-10-22 09:00:09,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:09,765 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:00:09,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:00:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:09,883 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:00:09,883 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:00:09,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:09 BoogieIcfgContainer [2019-10-22 09:00:09,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:09,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:09,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:09,898 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:09,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:09" (3/4) ... [2019-10-22 09:00:09,901 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:00:09,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:09,904 INFO L168 Benchmark]: Toolchain (without parser) took 706.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:09,904 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:09,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:09,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.91 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. [2019-10-22 09:00:09,906 INFO L168 Benchmark]: Boogie Preprocessor took 17.37 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. [2019-10-22 09:00:09,907 INFO L168 Benchmark]: RCFGBuilder took 143.11 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:09,907 INFO L168 Benchmark]: TraceAbstraction took 221.83 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:09,908 INFO L168 Benchmark]: Witness Printer took 4.54 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. [2019-10-22 09:00:09,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.91 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. * Boogie Preprocessor took 17.37 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 143.11 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: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 221.83 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: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.54 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. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 09:00:11,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:00:11,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:00:11,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:00:11,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:00:11,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:00:11,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:00:11,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:00:11,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:00:11,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:00:11,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:00:11,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:00:11,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:00:11,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:00:11,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:00:11,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:00:11,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:00:11,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:00:11,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:00:11,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:00:11,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:00:11,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:00:11,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:00:11,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:00:11,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:00:11,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:00:11,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:00:11,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:00:11,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:00:11,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:00:11,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:00:11,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:00:11,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:00:11,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:00:11,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:00:11,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:00:11,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:00:11,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:00:11,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:00:11,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:00:11,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:00:11,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:00:11,965 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:00:11,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:00:11,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:00:11,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:00:11,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:00:11,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:00:11,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:00:11,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:00:11,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:00:11,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:00:11,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:00:11,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:00:11,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:00:11,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:00:11,970 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:00:11,970 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:00:11,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:00:11,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:00:11,970 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer 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 [2019-10-22 09:00:12,018 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:00:12,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:00:12,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:00:12,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:00:12,033 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:00:12,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-10-22 09:00:12,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/acff81595/958bc4e889114ca88ac46fb71190fcaf/FLAGc76b7edb9 [2019-10-22 09:00:12,476 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:00:12,476 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2019-10-22 09:00:12,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/acff81595/958bc4e889114ca88ac46fb71190fcaf/FLAGc76b7edb9 [2019-10-22 09:00:12,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/data/acff81595/958bc4e889114ca88ac46fb71190fcaf [2019-10-22 09:00:12,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:00:12,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:00:12,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:12,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:00:12,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:00:12,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440eec29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12, skipping insertion in model container [2019-10-22 09:00:12,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:00:12,525 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:00:12,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:12,657 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:00:12,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:00:12,681 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:00:12,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12 WrapperNode [2019-10-22 09:00:12,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:00:12,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:12,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:00:12,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:00:12,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:00:12,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:00:12,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:00:12,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:00:12,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... [2019-10-22 09:00:12,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:00:12,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:00:12,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:00:12,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:00:12,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/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 [2019-10-22 09:00:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:00:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:00:12,994 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:00:12,994 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:00:12,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:12 BoogieIcfgContainer [2019-10-22 09:00:12,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:00:12,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:00:12,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:00:12,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:00:12,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:00:12" (1/3) ... [2019-10-22 09:00:13,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222d25bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:13, skipping insertion in model container [2019-10-22 09:00:13,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:00:12" (2/3) ... [2019-10-22 09:00:13,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@222d25bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:00:13, skipping insertion in model container [2019-10-22 09:00:13,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:12" (3/3) ... [2019-10-22 09:00:13,003 INFO L109 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2019-10-22 09:00:13,011 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:00:13,016 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:00:13,026 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:00:13,049 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:00:13,050 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:00:13,050 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:00:13,050 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:00:13,050 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:00:13,051 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:00:13,051 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:00:13,051 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:00:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-10-22 09:00:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 09:00:13,074 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:00:13,075 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 09:00:13,077 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:00:13,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:00:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-10-22 09:00:13,093 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:00:13,094 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [280615884] [2019-10-22 09:00:13,094 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/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 [2019-10-22 09:00:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:00:13,155 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-10-22 09:00:13,156 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:00:13,356 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 09:00:13,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:00:13 BoogieIcfgContainer [2019-10-22 09:00:13,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:00:13,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:00:13,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:00:13,368 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:00:13,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:00:12" (3/4) ... [2019-10-22 09:00:13,370 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 09:00:13,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78959e6c-67ec-4c44-8506-17d158ed6d29/bin/uautomizer/witness.graphml [2019-10-22 09:00:13,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:00:13,407 INFO L168 Benchmark]: Toolchain (without parser) took 907.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -181.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:13,409 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:13,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.89 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. [2019-10-22 09:00:13,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -234.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:13,411 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:00:13,411 INFO L168 Benchmark]: RCFGBuilder took 173.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:13,412 INFO L168 Benchmark]: TraceAbstraction took 371.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:00:13,412 INFO L168 Benchmark]: Witness Printer took 36.43 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. [2019-10-22 09:00:13,416 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.89 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 121.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -234.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 173.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 371.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Witness Printer took 36.43 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. 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...