./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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 0.1.23-635dfa2 [2018-12-09 01:43:07,566 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:43:07,567 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:43:07,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:43:07,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:43:07,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:43:07,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:43:07,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:43:07,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:43:07,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:43:07,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:43:07,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:43:07,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:43:07,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:43:07,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:43:07,580 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:43:07,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:43:07,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:43:07,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:43:07,583 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:43:07,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:43:07,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:43:07,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:43:07,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:43:07,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:43:07,587 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:43:07,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:43:07,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:43:07,588 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:43:07,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:43:07,589 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:43:07,589 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:43:07,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:43:07,590 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:43:07,590 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:43:07,591 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:43:07,591 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 01:43:07,598 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:43:07,598 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:43:07,599 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:43:07,599 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:43:07,600 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:43:07,600 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:43:07,600 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:43:07,600 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:43:07,600 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:43:07,600 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:43:07,600 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:43:07,601 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:43:07,602 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:43:07,602 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:43:07,602 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:43:07,602 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:43:07,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:43:07,602 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:43:07,603 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:43:07,603 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:43:07,603 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:43:07,603 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:43:07,603 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:43:07,603 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_d6c48cbe-b52c-402d-afea-0f894292e5e3/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 [2018-12-09 01:43:07,622 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:43:07,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:43:07,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:43:07,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:43:07,634 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:43:07,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-09 01:43:07,673 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/0bc6a6d3a/883637407d2344c481217424e3f3287b/FLAGbf47ca191 [2018-12-09 01:43:08,014 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:43:08,015 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-09 01:43:08,018 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/0bc6a6d3a/883637407d2344c481217424e3f3287b/FLAGbf47ca191 [2018-12-09 01:43:08,406 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/0bc6a6d3a/883637407d2344c481217424e3f3287b [2018-12-09 01:43:08,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:43:08,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:43:08,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:43:08,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:43:08,412 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:43:08,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08, skipping insertion in model container [2018-12-09 01:43:08,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:43:08,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:43:08,508 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:43:08,510 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:43:08,518 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:43:08,525 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:43:08,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08 WrapperNode [2018-12-09 01:43:08,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:43:08,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:43:08,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:43:08,526 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:43:08,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,534 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:43:08,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:43:08,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:43:08,538 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:43:08,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... [2018-12-09 01:43:08,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:43:08,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:43:08,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:43:08,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:43:08,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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 [2018-12-09 01:43:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:43:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:43:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:43:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:43:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:43:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:43:08,675 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:43:08,675 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:43:08,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:43:08 BoogieIcfgContainer [2018-12-09 01:43:08,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:43:08,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:43:08,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:43:08,678 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:43:08,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:43:08" (1/3) ... [2018-12-09 01:43:08,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1c4571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:43:08, skipping insertion in model container [2018-12-09 01:43:08,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:08" (2/3) ... [2018-12-09 01:43:08,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1c4571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:43:08, skipping insertion in model container [2018-12-09 01:43:08,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:43:08" (3/3) ... [2018-12-09 01:43:08,680 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-12-09 01:43:08,686 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:43:08,690 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:43:08,700 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:43:08,723 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:43:08,724 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:43:08,724 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:43:08,724 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:43:08,724 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:43:08,724 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:43:08,724 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:43:08,724 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:43:08,725 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:43:08,738 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 01:43:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 01:43:08,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:43:08,742 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:43:08,743 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:43:08,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:43:08,747 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 01:43:08,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:43:08,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:43:08,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:43:08,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:43:08,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:43:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:43:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:43:08,816 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:43:08,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:43:08 BoogieIcfgContainer [2018-12-09 01:43:08,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:43:08,830 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:43:08,830 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:43:08,830 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:43:08,831 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:43:08" (3/4) ... [2018-12-09 01:43:08,833 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 01:43:08,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:43:08,833 INFO L168 Benchmark]: Toolchain (without parser) took 425.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:08,834 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:08,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.29 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:43:08,835 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.50 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:08,836 INFO L168 Benchmark]: Boogie Preprocessor took 10.37 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:08,836 INFO L168 Benchmark]: RCFGBuilder took 127.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-09 01:43:08,836 INFO L168 Benchmark]: TraceAbstraction took 153.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:43:08,837 INFO L168 Benchmark]: Witness Printer took 2.89 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. [2018-12-09 01:43:08,839 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.29 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 11.50 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.37 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 127.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 153.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 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 0.1.23-635dfa2 [2018-12-09 01:43:10,069 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:43:10,070 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:43:10,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:43:10,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:43:10,077 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:43:10,077 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:43:10,078 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:43:10,079 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:43:10,079 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:43:10,080 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:43:10,080 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:43:10,080 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:43:10,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:43:10,081 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:43:10,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:43:10,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:43:10,083 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:43:10,084 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:43:10,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:43:10,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:43:10,085 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:43:10,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:43:10,087 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:43:10,087 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:43:10,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:43:10,088 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:43:10,088 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:43:10,088 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:43:10,089 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:43:10,089 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:43:10,089 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:43:10,089 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:43:10,089 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:43:10,090 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:43:10,090 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:43:10,090 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 01:43:10,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:43:10,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:43:10,098 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:43:10,098 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:43:10,098 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:43:10,099 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 01:43:10,099 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:43:10,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:43:10,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:43:10,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:43:10,101 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:43:10,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:43:10,101 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 01:43:10,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:43:10,101 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 01:43:10,101 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 01:43:10,101 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_d6c48cbe-b52c-402d-afea-0f894292e5e3/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 [2018-12-09 01:43:10,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:43:10,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:43:10,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:43:10,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:43:10,130 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:43:10,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-09 01:43:10,168 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/37e4ef85a/4bb7d87aa03648faae2957fba577c54f/FLAGc58157fc7 [2018-12-09 01:43:10,596 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:43:10,597 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/sv-benchmarks/c/bitvector-regression/integerpromotion_false-unreach-call_true-termination.c [2018-12-09 01:43:10,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/37e4ef85a/4bb7d87aa03648faae2957fba577c54f/FLAGc58157fc7 [2018-12-09 01:43:10,608 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/data/37e4ef85a/4bb7d87aa03648faae2957fba577c54f [2018-12-09 01:43:10,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:43:10,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:43:10,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:43:10,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:43:10,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:43:10,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7695bb0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10, skipping insertion in model container [2018-12-09 01:43:10,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:43:10,629 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:43:10,729 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:43:10,732 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:43:10,740 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:43:10,748 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:43:10,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10 WrapperNode [2018-12-09 01:43:10,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:43:10,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:43:10,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:43:10,749 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:43:10,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:43:10,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:43:10,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:43:10,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:43:10,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... [2018-12-09 01:43:10,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:43:10,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:43:10,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:43:10,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:43:10,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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 [2018-12-09 01:43:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:43:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:43:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:43:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:43:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:43:10,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:43:10,908 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:43:10,909 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 01:43:10,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:43:10 BoogieIcfgContainer [2018-12-09 01:43:10,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:43:10,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:43:10,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:43:10,912 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:43:10,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:43:10" (1/3) ... [2018-12-09 01:43:10,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c632f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:43:10, skipping insertion in model container [2018-12-09 01:43:10,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:43:10" (2/3) ... [2018-12-09 01:43:10,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c632f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:43:10, skipping insertion in model container [2018-12-09 01:43:10,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:43:10" (3/3) ... [2018-12-09 01:43:10,914 INFO L112 eAbstractionObserver]: Analyzing ICFG integerpromotion_false-unreach-call_true-termination.c [2018-12-09 01:43:10,919 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:43:10,923 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:43:10,931 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:43:10,947 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:43:10,947 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:43:10,947 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:43:10,947 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:43:10,947 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:43:10,948 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:43:10,948 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:43:10,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:43:10,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:43:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-12-09 01:43:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 01:43:10,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:43:10,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:43:10,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:43:10,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:43:10,965 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-12-09 01:43:10,967 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 01:43:10,968 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/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 [2018-12-09 01:43:10,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:43:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:43:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:43:11,014 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:43:11,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:43:11 BoogieIcfgContainer [2018-12-09 01:43:11,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:43:11,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:43:11,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:43:11,028 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:43:11,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:43:10" (3/4) ... [2018-12-09 01:43:11,030 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 01:43:11,053 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6c48cbe-b52c-402d-afea-0f894292e5e3/bin-2019/uautomizer/witness.graphml [2018-12-09 01:43:11,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:43:11,054 INFO L168 Benchmark]: Toolchain (without parser) took 443.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:11,055 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 01:43:11,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.61 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. [2018-12-09 01:43:11,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.01 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:11,056 INFO L168 Benchmark]: Boogie Preprocessor took 11.68 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:43:11,056 INFO L168 Benchmark]: RCFGBuilder took 135.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:43:11,057 INFO L168 Benchmark]: TraceAbstraction took 117.73 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:43:11,057 INFO L168 Benchmark]: Witness Printer took 25.46 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. [2018-12-09 01:43:11,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 137.61 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 12.01 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.68 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 135.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 117.73 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Witness Printer took 25.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5] unsigned char port = 0x5a; [L6] unsigned char result_8 = ( ~port ) >> 4; VAL [port=90, result_8=250] [L7] COND TRUE result_8 == 0xfa VAL [port=90, result_8=250] [L12] __VERIFIER_error() VAL [port=90, result_8=250] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...