./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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 0.1.23-0cd3be1 [2018-11-28 12:26:11,276 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:26:11,277 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:26:11,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:26:11,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:26:11,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:26:11,287 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:26:11,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:26:11,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:26:11,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:26:11,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:26:11,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:26:11,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:26:11,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:26:11,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:26:11,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:26:11,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:26:11,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:26:11,298 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:26:11,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:26:11,300 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:26:11,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:26:11,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:26:11,303 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:26:11,303 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:26:11,304 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:26:11,305 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:26:11,305 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:26:11,306 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:26:11,307 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:26:11,307 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:26:11,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:26:11,308 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:26:11,308 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:26:11,308 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:26:11,309 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:26:11,309 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:26:11,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:26:11,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:26:11,320 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:26:11,320 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:26:11,321 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:26:11,321 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:26:11,321 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:26:11,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:26:11,321 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:26:11,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:26:11,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:26:11,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:26:11,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:26:11,322 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:26:11,323 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:26:11,323 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:26:11,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:26:11,324 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_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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 [2018-11-28 12:26:11,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:26:11,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:26:11,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:26:11,361 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:26:11,361 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:26:11,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 12:26:11,404 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/ed5feb34f/8f95c6c381af4867bcc5d66035cd7c7b/FLAG33cbfeec2 [2018-11-28 12:26:11,739 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:26:11,740 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 12:26:11,744 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/ed5feb34f/8f95c6c381af4867bcc5d66035cd7c7b/FLAG33cbfeec2 [2018-11-28 12:26:12,172 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/ed5feb34f/8f95c6c381af4867bcc5d66035cd7c7b [2018-11-28 12:26:12,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:26:12,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:26:12,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:26:12,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:26:12,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:26:12,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d0d070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12, skipping insertion in model container [2018-11-28 12:26:12,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:26:12,206 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:26:12,320 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:26:12,323 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:26:12,333 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:26:12,342 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:26:12,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12 WrapperNode [2018-11-28 12:26:12,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:26:12,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:26:12,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:26:12,344 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:26:12,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:26:12,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:26:12,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:26:12,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:26:12,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... [2018-11-28 12:26:12,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:26:12,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:26:12,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:26:12,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:26:12,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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 [2018-11-28 12:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:26:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:26:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:26:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:26:12,574 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:26:12,574 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:26:12,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:26:12 BoogieIcfgContainer [2018-11-28 12:26:12,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:26:12,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:26:12,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:26:12,579 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:26:12,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:26:12" (1/3) ... [2018-11-28 12:26:12,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4933958f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:26:12, skipping insertion in model container [2018-11-28 12:26:12,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:12" (2/3) ... [2018-11-28 12:26:12,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4933958f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:26:12, skipping insertion in model container [2018-11-28 12:26:12,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:26:12" (3/3) ... [2018-11-28 12:26:12,584 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-28 12:26:12,595 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:26:12,602 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:26:12,613 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:26:12,638 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:26:12,638 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:26:12,638 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:26:12,638 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:26:12,638 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:26:12,639 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:26:12,639 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:26:12,639 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:26:12,639 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:26:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 12:26:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 12:26:12,659 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:26:12,660 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:26:12,662 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:26:12,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:26:12,666 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 12:26:12,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:26:12,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:26:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:26:12,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:26:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:26:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:26:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:26:12,750 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:26:12,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:26:12 BoogieIcfgContainer [2018-11-28 12:26:12,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:26:12,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:26:12,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:26:12,765 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:26:12,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:26:12" (3/4) ... [2018-11-28 12:26:12,768 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:26:12,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:26:12,769 INFO L168 Benchmark]: Toolchain (without parser) took 594.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:12,770 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:12,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.12 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:12,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.64 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:12,772 INFO L168 Benchmark]: Boogie Preprocessor took 13.72 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:12,772 INFO L168 Benchmark]: RCFGBuilder took 200.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:12,773 INFO L168 Benchmark]: TraceAbstraction took 188.63 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. [2018-11-28 12:26:12,773 INFO L168 Benchmark]: Witness Printer took 3.30 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. [2018-11-28 12:26:12,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 167.12 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.64 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.72 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 200.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 188.63 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 3.30 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 0.1.23-0cd3be1 [2018-11-28 12:26:14,372 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:26:14,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:26:14,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:26:14,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:26:14,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:26:14,382 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:26:14,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:26:14,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:26:14,384 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:26:14,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:26:14,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:26:14,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:26:14,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:26:14,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:26:14,388 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:26:14,388 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:26:14,389 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:26:14,391 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:26:14,392 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:26:14,392 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:26:14,393 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:26:14,395 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:26:14,395 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:26:14,395 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:26:14,396 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:26:14,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:26:14,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:26:14,398 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:26:14,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:26:14,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:26:14,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:26:14,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:26:14,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:26:14,400 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:26:14,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:26:14,401 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 12:26:14,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:26:14,411 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:26:14,412 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:26:14,412 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:26:14,412 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:26:14,412 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:26:14,413 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:26:14,413 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:26:14,414 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:26:14,414 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:26:14,415 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:26:14,415 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:26:14,415 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:26:14,415 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:26:14,415 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:26:14,415 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:26:14,415 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:26:14,416 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:26:14,416 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:26:14,416 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:26:14,416 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_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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 [2018-11-28 12:26:14,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:26:14,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:26:14,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:26:14,451 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:26:14,451 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:26:14,451 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 12:26:14,488 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/3c8bb8fd4/8c14466594a54ec5a4df75c544c2bc14/FLAGa2fa5e180 [2018-11-28 12:26:14,800 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:26:14,801 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-11-28 12:26:14,805 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/3c8bb8fd4/8c14466594a54ec5a4df75c544c2bc14/FLAGa2fa5e180 [2018-11-28 12:26:14,815 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/data/3c8bb8fd4/8c14466594a54ec5a4df75c544c2bc14 [2018-11-28 12:26:14,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:26:14,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:26:14,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:26:14,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:26:14,823 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:26:14,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:14,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fb7adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14, skipping insertion in model container [2018-11-28 12:26:14,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:14,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:26:14,847 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:26:14,965 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:26:14,969 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:26:14,979 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:26:14,989 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:26:14,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14 WrapperNode [2018-11-28 12:26:14,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:26:14,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:26:14,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:26:14,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:26:14,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:26:15,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:26:15,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:26:15,007 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:26:15,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... [2018-11-28 12:26:15,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:26:15,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:26:15,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:26:15,023 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:26:15,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/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 [2018-11-28 12:26:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:26:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:26:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:26:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:26:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:26:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:26:15,193 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:26:15,194 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:26:15,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:26:15 BoogieIcfgContainer [2018-11-28 12:26:15,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:26:15,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:26:15,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:26:15,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:26:15,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:26:14" (1/3) ... [2018-11-28 12:26:15,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501cd682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:26:15, skipping insertion in model container [2018-11-28 12:26:15,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:26:14" (2/3) ... [2018-11-28 12:26:15,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@501cd682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:26:15, skipping insertion in model container [2018-11-28 12:26:15,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:26:15" (3/3) ... [2018-11-28 12:26:15,200 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-11-28 12:26:15,207 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:26:15,211 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:26:15,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:26:15,245 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:26:15,246 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:26:15,246 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:26:15,246 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:26:15,246 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:26:15,246 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:26:15,246 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:26:15,246 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:26:15,247 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:26:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-28 12:26:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 12:26:15,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:26:15,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:26:15,266 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:26:15,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:26:15,270 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-28 12:26:15,273 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:26:15,274 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 12:26:15,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:26:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:26:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:26:15,327 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:26:15,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:26:15 BoogieIcfgContainer [2018-11-28 12:26:15,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:26:15,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:26:15,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:26:15,345 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:26:15,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:26:15" (3/4) ... [2018-11-28 12:26:15,347 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:26:15,377 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a037ee3f-3dd0-4ea8-bf07-f4b8ab917e03/bin-2019/uautomizer/witness.graphml [2018-11-28 12:26:15,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:26:15,378 INFO L168 Benchmark]: Toolchain (without parser) took 560.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:15,379 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:15,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.08 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:15,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.99 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 932.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:15,381 INFO L168 Benchmark]: Boogie Preprocessor took 15.43 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:26:15,382 INFO L168 Benchmark]: RCFGBuilder took 171.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 932.6 MB in the beginning and 1.2 GB in the end (delta: -220.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:15,382 INFO L168 Benchmark]: TraceAbstraction took 148.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:26:15,383 INFO L168 Benchmark]: Witness Printer took 33.18 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. [2018-11-28 12:26:15,388 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.08 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.99 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 932.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.43 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 171.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 932.6 MB in the beginning and 1.2 GB in the end (delta: -220.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 148.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Witness Printer took 33.18 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...