./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/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: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/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 0.1.23-aa41828 [2018-11-23 03:54:47,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:54:47,912 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:54:47,919 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:54:47,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:54:47,920 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:54:47,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:54:47,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:54:47,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:54:47,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:54:47,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:54:47,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:54:47,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:54:47,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:54:47,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:54:47,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:54:47,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:54:47,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:54:47,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:54:47,933 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:54:47,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:54:47,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:54:47,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:54:47,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:54:47,937 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:54:47,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:54:47,938 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:54:47,939 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:54:47,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:54:47,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:54:47,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:54:47,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:54:47,941 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:54:47,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:54:47,942 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:54:47,943 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:54:47,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:54:47,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:54:47,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:54:47,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:54:47,952 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:54:47,952 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:54:47,953 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:54:47,953 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:54:47,953 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:54:47,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:54:47,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:54:47,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:54:47,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:54:47,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:54:47,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:54:47,957 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:54:47,957 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:54:47,957 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:54:47,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:54:47,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:54:47,958 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:54:47,958 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:54:47,958 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:54:47,958 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:54:47,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:54:47,958 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/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 [2018-11-23 03:54:47,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:54:47,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:54:48,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:54:48,001 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:54:48,001 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:54:48,002 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-23 03:54:48,050 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/a3fc69385/227da1a35b90414a854802c8de557045/FLAGa38b25f66 [2018-11-23 03:54:48,376 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:54:48,377 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-23 03:54:48,382 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/a3fc69385/227da1a35b90414a854802c8de557045/FLAGa38b25f66 [2018-11-23 03:54:48,396 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/a3fc69385/227da1a35b90414a854802c8de557045 [2018-11-23 03:54:48,399 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:54:48,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:54:48,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:54:48,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:54:48,405 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:54:48,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48, skipping insertion in model container [2018-11-23 03:54:48,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:54:48,436 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:54:48,571 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:54:48,574 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:54:48,584 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:54:48,593 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:54:48,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48 WrapperNode [2018-11-23 03:54:48,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:54:48,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:54:48,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:54:48,594 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:54:48,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:54:48,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:54:48,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:54:48,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:54:48,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2018-11-23 03:54:48,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:54:48,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:54:48,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:54:48,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:54:48,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/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 [2018-11-23 03:54:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:54:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:54:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:54:48,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:54:48,800 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:54:48,801 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 03:54:48,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:48 BoogieIcfgContainer [2018-11-23 03:54:48,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:54:48,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:54:48,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:54:48,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:54:48,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:48" (1/3) ... [2018-11-23 03:54:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498394d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:48, skipping insertion in model container [2018-11-23 03:54:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (2/3) ... [2018-11-23 03:54:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498394d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:48, skipping insertion in model container [2018-11-23 03:54:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:48" (3/3) ... [2018-11-23 03:54:48,807 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-23 03:54:48,814 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:54:48,819 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:54:48,833 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:54:48,862 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:54:48,862 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:54:48,862 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:54:48,863 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:54:48,863 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:54:48,863 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:54:48,863 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:54:48,863 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:54:48,863 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:54:48,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 03:54:48,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 03:54:48,881 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:54:48,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:54:48,883 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:54:48,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:48,888 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-23 03:54:48,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:54:48,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:54:48,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:48,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:48,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:54:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:54:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:54:48,973 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #14#return; [?] CALL call #t~ret0 := main(); [?] ~port~0 := 90;~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [main_~port~0=90, main_~result_8~0=(- 6)] [?] assume 250 == ~result_8~0 % 256; VAL [main_~port~0=90, main_~result_8~0=(- 6)] [?] assume !false; VAL [main_~port~0=90, main_~result_8~0=(- 6)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90; [L6] ~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [~port~0=90, ~result_8~0=-6] [L7-L9] assume 250 == ~result_8~0 % 256; VAL [~port~0=90, ~result_8~0=-6] [L12] assert false; VAL [~port~0=90, ~result_8~0=-6] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90; [L6] ~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [~port~0=90, ~result_8~0=-6] [L7-L9] assume 250 == ~result_8~0 % 256; VAL [~port~0=90, ~result_8~0=-6] [L12] assert false; VAL [~port~0=90, ~result_8~0=-6] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90; [L6] ~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [~port~0=90, ~result_8~0=-6] [L7] COND TRUE 250 == ~result_8~0 % 256 VAL [~port~0=90, ~result_8~0=-6] [L12] assert false; VAL [~port~0=90, ~result_8~0=-6] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90; [L6] ~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [~port~0=90, ~result_8~0=-6] [L7] COND TRUE 250 == ~result_8~0 % 256 VAL [~port~0=90, ~result_8~0=-6] [L12] assert false; VAL [~port~0=90, ~result_8~0=-6] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90; [L6] ~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [~port~0=90, ~result_8~0=-6] [L7] COND TRUE 250 == ~result_8~0 % 256 VAL [~port~0=90, ~result_8~0=-6] [L12] assert false; VAL [~port~0=90, ~result_8~0=-6] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90; [L6] ~result_8~0 := ~bitwiseComplement(~port~0 % 256) / 16; VAL [~port~0=90, ~result_8~0=-6] [L7] COND TRUE 250 == ~result_8~0 % 256 VAL [~port~0=90, ~result_8~0=-6] [L12] assert false; VAL [~port~0=90, ~result_8~0=-6] [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] ----- [2018-11-23 03:54:48,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:54:48 BoogieIcfgContainer [2018-11-23 03:54:48,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:54:48,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:54:48,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:54:48,996 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:54:48,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:48" (3/4) ... [2018-11-23 03:54:48,999 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 03:54:48,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:54:49,000 INFO L168 Benchmark]: Toolchain (without parser) took 599.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:49,002 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:49,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:49,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.95 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:49,003 INFO L168 Benchmark]: Boogie Preprocessor took 13.12 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:49,004 INFO L168 Benchmark]: RCFGBuilder took 175.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:49,004 INFO L168 Benchmark]: TraceAbstraction took 193.80 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:49,005 INFO L168 Benchmark]: Witness Printer took 3.52 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. [2018-11-23 03:54:49,007 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.07 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 17.95 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.12 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 193.80 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.52 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; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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 0.1.23-aa41828 [2018-11-23 03:54:50,555 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:54:50,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:54:50,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:54:50,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:54:50,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:54:50,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:54:50,569 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:54:50,570 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:54:50,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:54:50,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:54:50,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:54:50,572 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:54:50,573 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:54:50,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:54:50,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:54:50,575 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:54:50,577 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:54:50,579 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:54:50,580 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:54:50,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:54:50,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:54:50,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:54:50,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:54:50,584 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:54:50,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:54:50,586 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:54:50,587 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:54:50,588 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:54:50,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:54:50,589 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:54:50,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:54:50,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:54:50,590 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:54:50,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:54:50,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:54:50,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 03:54:50,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:54:50,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:54:50,605 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:54:50,605 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:54:50,606 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:54:50,606 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:54:50,606 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:54:50,607 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:54:50,607 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:54:50,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:54:50,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:54:50,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:54:50,607 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:54:50,608 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:54:50,608 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 03:54:50,608 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 03:54:50,608 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:54:50,608 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:54:50,608 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:54:50,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:54:50,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:54:50,611 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:54:50,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:54:50,611 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:54:50,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:54:50,611 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:54:50,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:54:50,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:54:50,612 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 03:54:50,612 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:54:50,612 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 03:54:50,612 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 03:54:50,613 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/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 [2018-11-23 03:54:50,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:54:50,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:54:50,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:54:50,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:54:50,667 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:54:50,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-23 03:54:50,721 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/15e213fc1/55b41aa3b13a4268b8f020e14b00e1ea/FLAG788980203 [2018-11-23 03:54:51,065 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:54:51,065 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-23 03:54:51,069 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/15e213fc1/55b41aa3b13a4268b8f020e14b00e1ea/FLAG788980203 [2018-11-23 03:54:51,078 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/data/15e213fc1/55b41aa3b13a4268b8f020e14b00e1ea [2018-11-23 03:54:51,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:54:51,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:54:51,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:54:51,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:54:51,085 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:54:51,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ace150f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51, skipping insertion in model container [2018-11-23 03:54:51,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:54:51,111 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:54:51,236 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:54:51,240 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:54:51,250 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:54:51,260 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:54:51,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51 WrapperNode [2018-11-23 03:54:51,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:54:51,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:54:51,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:54:51,262 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:54:51,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:54:51,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:54:51,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:54:51,277 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:54:51,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... [2018-11-23 03:54:51,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:54:51,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:54:51,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:54:51,292 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:54:51,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/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 [2018-11-23 03:54:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:54:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:54:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:54:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:54:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:54:51,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:54:51,477 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:54:51,477 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 03:54:51,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:51 BoogieIcfgContainer [2018-11-23 03:54:51,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:54:51,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:54:51,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:54:51,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:54:51,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:54:51" (1/3) ... [2018-11-23 03:54:51,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ce925b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:51, skipping insertion in model container [2018-11-23 03:54:51,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:51" (2/3) ... [2018-11-23 03:54:51,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ce925b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:54:51, skipping insertion in model container [2018-11-23 03:54:51,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:51" (3/3) ... [2018-11-23 03:54:51,484 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-23 03:54:51,490 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:54:51,495 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:54:51,504 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:54:51,524 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:54:51,525 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:54:51,525 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:54:51,525 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:54:51,525 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:54:51,525 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:54:51,525 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:54:51,526 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:54:51,526 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:54:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-23 03:54:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 03:54:51,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:54:51,543 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:54:51,545 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:54:51,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:54:51,550 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-23 03:54:51,553 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 03:54:51,553 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 03:54:51,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:54:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:54:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:54:51,610 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #14#return; [?] CALL call #t~ret0 := main(); [?] ~port~0 := 90bv8;~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [main_~port~0=(_ bv90 8), main_~result_8~0=(_ bv250 8)] [?] assume 250bv32 == ~zero_extendFrom8To32(~result_8~0); VAL [main_~port~0=(_ bv90 8), main_~result_8~0=(_ bv250 8)] [?] assume !false; VAL [main_~port~0=(_ bv90 8), main_~result_8~0=(_ bv250 8)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7-L9] assume 250bv32 == ~zero_extendFrom8To32(~result_8~0); VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7-L9] assume 250bv32 == ~zero_extendFrom8To32(~result_8~0); VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] ----- [2018-11-23 03:54:51,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:54:51 BoogieIcfgContainer [2018-11-23 03:54:51,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:54:51,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:54:51,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:54:51,637 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:54:51,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:54:51" (3/4) ... [2018-11-23 03:54:51,640 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #14#return; [?] CALL call #t~ret0 := main(); [?] ~port~0 := 90bv8;~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [main_~port~0=(_ bv90 8), main_~result_8~0=(_ bv250 8)] [?] assume 250bv32 == ~zero_extendFrom8To32(~result_8~0); VAL [main_~port~0=(_ bv90 8), main_~result_8~0=(_ bv250 8)] [?] assume !false; VAL [main_~port~0=(_ bv90 8), main_~result_8~0=(_ bv250 8)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7-L9] assume 250bv32 == ~zero_extendFrom8To32(~result_8~0); VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7-L9] assume 250bv32 == ~zero_extendFrom8To32(~result_8~0); VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] ~port~0 := 90bv8; [L6] ~result_8~0 := ~bvashr32(~bvnot32(~zero_extendFrom8To32(~port~0)), 4bv32)[8:0]; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L7] COND TRUE 250bv32 == ~zero_extendFrom8To32(~result_8~0) VAL [~port~0=90bv8, ~result_8~0=250bv8] [L12] assert false; VAL [~port~0=90bv8, ~result_8~0=250bv8] [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] ----- [2018-11-23 03:54:51,680 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92636b86-a686-4422-877d-660c7361d0c7/bin-2019/uautomizer/witness.graphml [2018-11-23 03:54:51,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:54:51,681 INFO L168 Benchmark]: Toolchain (without parser) took 599.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.8 MB in the beginning and 1.1 GB in the end (delta: -156.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:51,682 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:51,682 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.67 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 933.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:51,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.90 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:54:51,683 INFO L168 Benchmark]: Boogie Preprocessor took 15.05 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:51,684 INFO L168 Benchmark]: RCFGBuilder took 186.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:51,686 INFO L168 Benchmark]: TraceAbstraction took 157.93 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:51,686 INFO L168 Benchmark]: Witness Printer took 43.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:54:51,691 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.67 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 933.1 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 14.90 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.05 ms. Allocated memory is still 1.0 GB. Free memory was 933.1 MB in the beginning and 927.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 186.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 927.7 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 157.93 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: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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...