./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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 0.1.23-5842f4b [2018-11-18 11:12:29,282 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:12:29,283 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:12:29,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:12:29,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:12:29,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:12:29,291 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:12:29,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:12:29,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:12:29,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:12:29,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:12:29,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:12:29,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:12:29,296 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:12:29,297 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:12:29,297 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:12:29,298 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:12:29,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:12:29,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:12:29,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:12:29,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:12:29,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:12:29,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:12:29,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:12:29,304 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:12:29,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:12:29,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:12:29,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:12:29,305 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:12:29,306 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:12:29,306 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:12:29,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:12:29,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:12:29,307 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:12:29,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:12:29,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:12:29,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 11:12:29,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:12:29,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:12:29,316 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:12:29,316 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:12:29,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:12:29,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:12:29,317 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:12:29,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:12:29,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:12:29,318 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:12:29,319 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:12:29,319 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:12:29,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:12:29,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:12:29,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:12:29,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:12:29,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:12:29,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:12:29,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:12:29,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:12:29,320 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:12:29,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:12:29,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:12:29,320 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_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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 [2018-11-18 11:12:29,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:12:29,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:12:29,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:12:29,357 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:12:29,358 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:12:29,358 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-18 11:12:29,402 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/b92f869eb/5fdcfa3099164816adf8703d2176d901/FLAG363a02d1c [2018-11-18 11:12:29,807 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:12:29,807 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-18 11:12:29,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/b92f869eb/5fdcfa3099164816adf8703d2176d901/FLAG363a02d1c [2018-11-18 11:12:29,821 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/b92f869eb/5fdcfa3099164816adf8703d2176d901 [2018-11-18 11:12:29,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:12:29,824 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:12:29,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:12:29,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:12:29,827 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:12:29,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29, skipping insertion in model container [2018-11-18 11:12:29,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:12:29,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:12:29,949 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:12:29,952 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:12:29,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:12:29,968 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:12:29,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29 WrapperNode [2018-11-18 11:12:29,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:12:29,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:12:29,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:12:29,969 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:12:29,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... [2018-11-18 11:12:29,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:12:29,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:12:29,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:12:29,984 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:12:29,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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 [2018-11-18 11:12:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:12:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:12:30,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:12:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:12:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:12:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:12:30,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:12:30,132 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:12:30,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:30 BoogieIcfgContainer [2018-11-18 11:12:30,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:12:30,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:12:30,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:12:30,135 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:12:30,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:12:29" (1/3) ... [2018-11-18 11:12:30,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5876df32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:12:30, skipping insertion in model container [2018-11-18 11:12:30,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:29" (2/3) ... [2018-11-18 11:12:30,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5876df32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:12:30, skipping insertion in model container [2018-11-18 11:12:30,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:30" (3/3) ... [2018-11-18 11:12:30,138 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-18 11:12:30,144 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:12:30,148 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:12:30,156 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:12:30,175 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:12:30,176 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:12:30,176 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:12:30,176 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:12:30,176 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:12:30,176 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:12:30,176 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:12:30,176 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:12:30,176 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:12:30,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-18 11:12:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:12:30,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:12:30,190 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:30,192 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:12:30,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:30,196 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-18 11:12:30,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:12:30,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:12:30,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:30,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:30,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:12:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:30,264 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:12:30,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:12:30 BoogieIcfgContainer [2018-11-18 11:12:30,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:12:30,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:12:30,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:12:30,278 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:12:30,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:30" (3/4) ... [2018-11-18 11:12:30,280 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 11:12:30,280 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:12:30,280 INFO L168 Benchmark]: Toolchain (without parser) took 457.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:12:30,282 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:12:30,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.59 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:30,282 INFO L168 Benchmark]: Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:30,283 INFO L168 Benchmark]: RCFGBuilder took 149.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:30,283 INFO L168 Benchmark]: TraceAbstraction took 143.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:30,284 INFO L168 Benchmark]: Witness Printer took 2.81 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. [2018-11-18 11:12:30,285 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.59 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.34 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 149.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 143.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.81 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 0.1.23-5842f4b [2018-11-18 11:12:31,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:12:31,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:12:31,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:12:31,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:12:31,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:12:31,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:12:31,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:12:31,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:12:31,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:12:31,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:12:31,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:12:31,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:12:31,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:12:31,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:12:31,711 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:12:31,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:12:31,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:12:31,714 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:12:31,715 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:12:31,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:12:31,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:12:31,718 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:12:31,718 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:12:31,718 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:12:31,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:12:31,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:12:31,720 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:12:31,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:12:31,721 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:12:31,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:12:31,722 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:12:31,722 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:12:31,722 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:12:31,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:12:31,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:12:31,724 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 11:12:31,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:12:31,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:12:31,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:12:31,734 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:12:31,734 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:12:31,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:12:31,735 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:12:31,735 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:12:31,735 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:12:31,735 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:12:31,735 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:12:31,735 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:12:31,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:12:31,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:12:31,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:12:31,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:12:31,737 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:12:31,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:12:31,737 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:12:31,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:12:31,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:12:31,738 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 11:12:31,738 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:12:31,738 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:12:31,738 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:12:31,738 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_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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 [2018-11-18 11:12:31,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:12:31,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:12:31,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:12:31,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:12:31,783 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:12:31,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-18 11:12:31,820 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/e5a3ee6dd/4d46d326a87646e4b8ab235c2be205b8/FLAGb9d05676b [2018-11-18 11:12:32,201 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:12:32,201 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-18 11:12:32,205 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/e5a3ee6dd/4d46d326a87646e4b8ab235c2be205b8/FLAGb9d05676b [2018-11-18 11:12:32,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/data/e5a3ee6dd/4d46d326a87646e4b8ab235c2be205b8 [2018-11-18 11:12:32,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:12:32,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 11:12:32,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:12:32,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:12:32,221 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:12:32,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65aae9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32, skipping insertion in model container [2018-11-18 11:12:32,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:12:32,239 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:12:32,342 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:12:32,345 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:12:32,353 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:12:32,362 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:12:32,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32 WrapperNode [2018-11-18 11:12:32,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:12:32,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:12:32,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:12:32,363 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:12:32,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... [2018-11-18 11:12:32,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:12:32,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:12:32,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:12:32,380 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:12:32,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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 [2018-11-18 11:12:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:12:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:12:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:12:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 11:12:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:12:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:12:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:12:32,544 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:12:32,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:32 BoogieIcfgContainer [2018-11-18 11:12:32,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:12:32,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:12:32,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:12:32,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:12:32,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:12:32" (1/3) ... [2018-11-18 11:12:32,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f033d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:12:32, skipping insertion in model container [2018-11-18 11:12:32,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:12:32" (2/3) ... [2018-11-18 11:12:32,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f033d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:12:32, skipping insertion in model container [2018-11-18 11:12:32,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:32" (3/3) ... [2018-11-18 11:12:32,551 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-18 11:12:32,556 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:12:32,560 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:12:32,569 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:12:32,584 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:12:32,585 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:12:32,585 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:12:32,585 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:12:32,585 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:12:32,585 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:12:32,585 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:12:32,585 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:12:32,585 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:12:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-18 11:12:32,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:12:32,601 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:12:32,602 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:12:32,603 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:12:32,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:12:32,606 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-18 11:12:32,608 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 11:12:32,609 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/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 [2018-11-18 11:12:32,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:12:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:12:32,659 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 11:12:32,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:12:32 BoogieIcfgContainer [2018-11-18 11:12:32,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:12:32,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:12:32,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:12:32,672 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:12:32,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:12:32" (3/4) ... [2018-11-18 11:12:32,673 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:12:32,706 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b39f8c6-88e7-4249-bec2-24e9dbf27d40/bin-2019/uautomizer/witness.graphml [2018-11-18 11:12:32,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:12:32,707 INFO L168 Benchmark]: Toolchain (without parser) took 490.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -147.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:12:32,709 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:12:32,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:32,710 INFO L168 Benchmark]: Boogie Preprocessor took 16.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:32,711 INFO L168 Benchmark]: RCFGBuilder took 165.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:32,712 INFO L168 Benchmark]: TraceAbstraction took 125.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:32,712 INFO L168 Benchmark]: Witness Printer took 35.40 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. [2018-11-18 11:12:32,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 938.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 165.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 938.5 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 125.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.40 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; 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, 0.0s 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...