./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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 0.1.23-1dbac8b [2018-10-26 22:14:41,591 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:14:41,593 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:14:41,604 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:14:41,604 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:14:41,605 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:14:41,606 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:14:41,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:14:41,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:14:41,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:14:41,612 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:14:41,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:14:41,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:14:41,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:14:41,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:14:41,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:14:41,617 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:14:41,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:14:41,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:14:41,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:14:41,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:14:41,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:14:41,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:14:41,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:14:41,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:14:41,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:14:41,630 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:14:41,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:14:41,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:14:41,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:14:41,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:14:41,634 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:14:41,634 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:14:41,634 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:14:41,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:14:41,635 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:14:41,636 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 22:14:41,648 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:14:41,648 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:14:41,649 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:14:41,650 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:14:41,650 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:14:41,650 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:14:41,650 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:14:41,651 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:14:41,651 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:14:41,651 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:14:41,651 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:14:41,651 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:14:41,651 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:14:41,652 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:14:41,652 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:14:41,652 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:14:41,652 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:14:41,652 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:14:41,652 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:14:41,654 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:14:41,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:14:41,655 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:14:41,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:14:41,655 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:14:41,655 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:14:41,655 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:14:41,656 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:14:41,656 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:14:41,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:14:41,656 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_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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 [2018-10-26 22:14:41,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:14:41,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:14:41,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:14:41,720 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:14:41,720 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:14:41,721 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-10-26 22:14:41,778 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/976230216/c1a0b5f9e3da424c89f6ca1d1ff3bccd/FLAG90f5c6c9d [2018-10-26 22:14:42,132 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:14:42,133 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-10-26 22:14:42,138 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/976230216/c1a0b5f9e3da424c89f6ca1d1ff3bccd/FLAG90f5c6c9d [2018-10-26 22:14:42,152 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/976230216/c1a0b5f9e3da424c89f6ca1d1ff3bccd [2018-10-26 22:14:42,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:14:42,159 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:14:42,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:14:42,160 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:14:42,163 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:14:42,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ed68ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42, skipping insertion in model container [2018-10-26 22:14:42,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:14:42,197 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:14:42,342 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:14:42,346 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:14:42,358 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:14:42,368 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:14:42,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42 WrapperNode [2018-10-26 22:14:42,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:14:42,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:14:42,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:14:42,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:14:42,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... [2018-10-26 22:14:42,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:14:42,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:14:42,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:14:42,397 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:14:42,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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 [2018-10-26 22:14:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:14:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:14:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:14:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:14:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:14:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:14:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:14:42,751 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:14:42,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:14:42 BoogieIcfgContainer [2018-10-26 22:14:42,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:14:42,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:14:42,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:14:42,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:14:42,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:14:42" (1/3) ... [2018-10-26 22:14:42,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e60c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:14:42, skipping insertion in model container [2018-10-26 22:14:42,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:42" (2/3) ... [2018-10-26 22:14:42,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e60c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:14:42, skipping insertion in model container [2018-10-26 22:14:42,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:14:42" (3/3) ... [2018-10-26 22:14:42,759 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-10-26 22:14:42,766 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:14:42,772 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:14:42,785 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:14:42,816 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:14:42,816 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:14:42,816 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:14:42,817 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:14:42,817 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:14:42,817 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:14:42,817 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:14:42,817 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:14:42,817 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:14:42,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-10-26 22:14:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:14:42,840 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:14:42,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:14:42,843 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:14:42,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:14:42,849 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-10-26 22:14:42,851 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:14:42,852 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:14:42,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:14:42,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:14:42,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:14:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:14:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:14:42,962 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:14:42,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:14:42 BoogieIcfgContainer [2018-10-26 22:14:42,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:14:42,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:14:42,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:14:42,986 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:14:42,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:14:42" (3/4) ... [2018-10-26 22:14:42,991 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:14:42,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:14:42,992 INFO L168 Benchmark]: Toolchain (without parser) took 833.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:14:42,994 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:14:42,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:42,995 INFO L168 Benchmark]: Boogie Preprocessor took 26.54 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:14:42,996 INFO L168 Benchmark]: RCFGBuilder took 355.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:42,997 INFO L168 Benchmark]: TraceAbstraction took 232.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:42,997 INFO L168 Benchmark]: Witness Printer took 5.34 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. [2018-10-26 22:14:43,001 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.80 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.54 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 355.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 232.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.34 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 0.1.23-1dbac8b [2018-10-26 22:14:45,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:14:45,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:14:45,216 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:14:45,217 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:14:45,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:14:45,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:14:45,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:14:45,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:14:45,224 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:14:45,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:14:45,225 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:14:45,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:14:45,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:14:45,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:14:45,229 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:14:45,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:14:45,232 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:14:45,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:14:45,236 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:14:45,237 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:14:45,238 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:14:45,241 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:14:45,241 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:14:45,242 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:14:45,243 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:14:45,244 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:14:45,244 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:14:45,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:14:45,247 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:14:45,247 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:14:45,248 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:14:45,248 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:14:45,249 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:14:45,250 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:14:45,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:14:45,251 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 22:14:45,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:14:45,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:14:45,267 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:14:45,268 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:14:45,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:14:45,269 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:14:45,269 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:14:45,269 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:14:45,269 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:14:45,269 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:14:45,270 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:14:45,270 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:14:45,270 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:14:45,270 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:14:45,270 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:14:45,270 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:14:45,271 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:14:45,271 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:14:45,271 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:14:45,271 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:14:45,271 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:14:45,272 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:14:45,272 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:14:45,272 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:14:45,272 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:14:45,272 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:14:45,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:14:45,276 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 22:14:45,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:14:45,276 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:14:45,276 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:14:45,277 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_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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 [2018-10-26 22:14:45,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:14:45,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:14:45,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:14:45,335 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:14:45,335 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:14:45,336 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-10-26 22:14:45,385 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/8083c8fef/abf7183b61034a7cadf56a7fc9806482/FLAGcc9db599b [2018-10-26 22:14:45,794 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:14:45,794 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-10-26 22:14:45,799 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/8083c8fef/abf7183b61034a7cadf56a7fc9806482/FLAGcc9db599b [2018-10-26 22:14:45,813 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/data/8083c8fef/abf7183b61034a7cadf56a7fc9806482 [2018-10-26 22:14:45,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:14:45,817 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:14:45,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:14:45,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:14:45,826 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:14:45,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:14:45" (1/1) ... [2018-10-26 22:14:45,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcac331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:45, skipping insertion in model container [2018-10-26 22:14:45,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:14:45" (1/1) ... [2018-10-26 22:14:45,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:14:45,864 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:14:46,047 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:14:46,053 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:14:46,070 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:14:46,086 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:14:46,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46 WrapperNode [2018-10-26 22:14:46,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:14:46,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:14:46,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:14:46,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:14:46,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... [2018-10-26 22:14:46,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:14:46,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:14:46,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:14:46,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:14:46,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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 [2018-10-26 22:14:46,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:14:46,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:14:46,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:14:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:14:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:14:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:14:46,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:14:46,535 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:14:46,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:14:46 BoogieIcfgContainer [2018-10-26 22:14:46,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:14:46,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:14:46,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:14:46,544 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:14:46,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:14:45" (1/3) ... [2018-10-26 22:14:46,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02c2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:14:46, skipping insertion in model container [2018-10-26 22:14:46,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:14:46" (2/3) ... [2018-10-26 22:14:46,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02c2d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:14:46, skipping insertion in model container [2018-10-26 22:14:46,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:14:46" (3/3) ... [2018-10-26 22:14:46,550 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-10-26 22:14:46,561 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:14:46,568 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:14:46,582 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:14:46,610 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:14:46,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:14:46,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:14:46,612 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:14:46,612 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:14:46,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:14:46,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:14:46,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:14:46,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:14:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-10-26 22:14:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 22:14:46,635 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:14:46,636 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:14:46,643 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:14:46,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:14:46,649 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-10-26 22:14:46,653 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-26 22:14:46,653 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/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 [2018-10-26 22:14:46,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:14:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:14:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:14:46,721 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:14:46,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:14:46 BoogieIcfgContainer [2018-10-26 22:14:46,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:14:46,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:14:46,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:14:46,745 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:14:46,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:14:46" (3/4) ... [2018-10-26 22:14:46,748 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 22:14:46,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92538c5e-fdb0-4bc7-b00f-57d3e1d3ce54/bin-2019/uautomizer/witness.graphml [2018-10-26 22:14:46,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:14:46,816 INFO L168 Benchmark]: Toolchain (without parser) took 999.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 951.9 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:14:46,818 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-26 22:14:46,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:46,819 INFO L168 Benchmark]: Boogie Preprocessor took 30.71 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:14:46,820 INFO L168 Benchmark]: RCFGBuilder took 418.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:46,829 INFO L168 Benchmark]: TraceAbstraction took 203.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:14:46,830 INFO L168 Benchmark]: Witness Printer took 64.00 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. [2018-10-26 22:14:46,834 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 941.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.71 ms. Allocated memory is still 1.0 GB. Free memory is still 941.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 418.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 941.1 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 203.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Witness Printer took 64.00 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, 0.1s 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...