./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/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 d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:28:14,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:28:14,638 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:28:14,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:28:14,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:28:14,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:28:14,647 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:28:14,648 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:28:14,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:28:14,650 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:28:14,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:28:14,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:28:14,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:28:14,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:28:14,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:28:14,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:28:14,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:28:14,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:28:14,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:28:14,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:28:14,659 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:28:14,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:28:14,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:28:14,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:28:14,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:28:14,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:28:14,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:28:14,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:28:14,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:28:14,665 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:28:14,666 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:28:14,666 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:28:14,666 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:28:14,666 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:28:14,667 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:28:14,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:28:14,669 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 00:28:14,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:28:14,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:28:14,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:28:14,679 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:28:14,680 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:28:14,680 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:28:14,680 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:28:14,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:28:14,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:28:14,681 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:28:14,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:28:14,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:28:14,683 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:28:14,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:28:14,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:28:14,684 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_f1d19530-95bc-40a9-afc3-4745cb3c9e53/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 -> d5465abd0acd0e19d367a95bacffc8ac4a6f2d65 [2018-11-23 00:28:14,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:28:14,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:28:14,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:28:14,722 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:28:14,722 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:28:14,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/../../sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i [2018-11-23 00:28:14,759 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/data/368028c1c/cf9c6a2e2c6341fc96ee6374116e95f5/FLAG57e91e786 [2018-11-23 00:28:15,159 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:28:15,160 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/sv-benchmarks/c/loops/count_up_down_false-unreach-call_true-termination.i [2018-11-23 00:28:15,164 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/data/368028c1c/cf9c6a2e2c6341fc96ee6374116e95f5/FLAG57e91e786 [2018-11-23 00:28:15,174 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/data/368028c1c/cf9c6a2e2c6341fc96ee6374116e95f5 [2018-11-23 00:28:15,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:28:15,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:28:15,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:28:15,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:28:15,180 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:28:15,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e5f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15, skipping insertion in model container [2018-11-23 00:28:15,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:28:15,202 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:28:15,308 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:28:15,311 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:28:15,319 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:28:15,327 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:28:15,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15 WrapperNode [2018-11-23 00:28:15,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:28:15,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:28:15,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:28:15,328 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:28:15,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:28:15,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:28:15,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:28:15,342 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:28:15,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... [2018-11-23 00:28:15,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:28:15,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:28:15,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:28:15,355 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:28:15,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:28:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:28:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:28:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:28:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:28:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:28:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:28:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 00:28:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 00:28:15,520 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:28:15,520 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 00:28:15,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:15 BoogieIcfgContainer [2018-11-23 00:28:15,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:28:15,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:28:15,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:28:15,523 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:28:15,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:28:15" (1/3) ... [2018-11-23 00:28:15,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9dcc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:28:15, skipping insertion in model container [2018-11-23 00:28:15,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:15" (2/3) ... [2018-11-23 00:28:15,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a9dcc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:28:15, skipping insertion in model container [2018-11-23 00:28:15,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:15" (3/3) ... [2018-11-23 00:28:15,526 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down_false-unreach-call_true-termination.i [2018-11-23 00:28:15,532 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:28:15,536 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:28:15,548 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:28:15,567 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:28:15,567 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:28:15,567 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:28:15,567 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:28:15,567 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:28:15,567 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:28:15,568 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:28:15,568 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:28:15,568 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:28:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-11-23 00:28:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 00:28:15,584 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:28:15,584 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 00:28:15,586 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:28:15,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:28:15,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1846144830, now seen corresponding path program 1 times [2018-11-23 00:28:15,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:28:15,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:28:15,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:15,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:28:15,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:28:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:28:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:28:15,678 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret3 := main(); [?] ~n~0 := #t~nondet0;havoc #t~nondet0;~x~0 := ~n~0;~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [?] assume !(~x~0 % 4294967296 > 0); VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [?] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] assume !(~x~0 % 4294967296 > 0); VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] assume !(~x~0 % 4294967296 > 0); VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 00:28:15,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:28:15 BoogieIcfgContainer [2018-11-23 00:28:15,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:28:15,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:28:15,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:28:15,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:28:15,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:15" (3/4) ... [2018-11-23 00:28:15,707 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #31#return; [?] CALL call #t~ret3 := main(); [?] ~n~0 := #t~nondet0;havoc #t~nondet0;~x~0 := ~n~0;~y~0 := 0; VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [?] assume !(~x~0 % 4294967296 > 0); VAL [main_~n~0=0, main_~x~0=0, main_~y~0=0] [?] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [|__VERIFIER_assert_#in~cond|=0] [?] ~cond := #in~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume 0 == ~cond; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [__VERIFIER_assert_~cond=0, |__VERIFIER_assert_#in~cond|=0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] assume !(~x~0 % 4294967296 > 0); VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] assume !(~x~0 % 4294967296 > 0); VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4-L6] assume 0 == ~cond; VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L13] ~n~0 := #t~nondet0; [L13] havoc #t~nondet0; [L14] ~x~0 := ~n~0; [L14] ~y~0 := 0; VAL [~n~0=0, ~x~0=0, ~y~0=0] [L15-L19] COND TRUE !(~x~0 % 4294967296 > 0) VAL [~n~0=0, ~x~0=0, ~y~0=0] [L20] CALL call __VERIFIER_assert((if ~y~0 % 4294967296 != ~n~0 % 4294967296 then 1 else 0)); VAL [#in~cond=0] [L3-L8] ~cond := #in~cond; VAL [#in~cond=0, ~cond=0] [L4] COND TRUE 0 == ~cond VAL [#in~cond=0, ~cond=0] [L5] assert false; VAL [#in~cond=0, ~cond=0] [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] ----- [2018-11-23 00:28:15,744 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f1d19530-95bc-40a9-afc3-4745cb3c9e53/bin-2019/uautomizer/witness.graphml [2018-11-23 00:28:15,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:28:15,745 INFO L168 Benchmark]: Toolchain (without parser) took 568.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:28:15,746 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:28:15,747 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.60 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:28:15,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.94 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:28:15,748 INFO L168 Benchmark]: Boogie Preprocessor took 12.70 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:28:15,748 INFO L168 Benchmark]: RCFGBuilder took 165.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:28:15,749 INFO L168 Benchmark]: TraceAbstraction took 183.92 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:28:15,749 INFO L168 Benchmark]: Witness Printer took 39.59 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:28:15,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 149.60 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.94 ms. Allocated memory is still 1.0 GB. Free memory is still 947.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.70 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 165.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 183.92 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Witness Printer took 39.59 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: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] unsigned int n = __VERIFIER_nondet_uint(); [L14] unsigned int x=n, y=0; VAL [n=0, x=0, y=0] [L15] COND FALSE !(x>0) VAL [n=0, x=0, y=0] [L20] CALL __VERIFIER_assert(y!=n) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred 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, 10 NumberOfCodeBlocks, 10 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...