./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/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 0165a55c46ef5a57261b602c26894979b70d9ffe ................................................................................................................................................................................................................................ 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_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/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 0165a55c46ef5a57261b602c26894979b70d9ffe ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:36:46,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:36:46,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:36:46,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:36:46,114 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:36:46,115 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:36:46,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:36:46,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:36:46,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:36:46,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:36:46,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:36:46,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:36:46,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:36:46,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:36:46,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:36:46,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:36:46,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:36:46,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:36:46,124 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:36:46,125 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:36:46,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:36:46,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:36:46,127 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:36:46,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:36:46,127 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:36:46,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:36:46,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:36:46,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:36:46,129 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:36:46,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:36:46,130 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:36:46,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:36:46,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:36:46,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:36:46,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:36:46,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:36:46,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 04:36:46,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:36:46,139 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:36:46,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:36:46,140 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:36:46,140 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:36:46,140 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:36:46,140 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:36:46,141 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:36:46,141 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:36:46,141 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:36:46,141 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:36:46,141 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:36:46,141 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:36:46,141 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:36:46,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:36:46,142 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:36:46,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:36:46,142 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:36:46,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:36:46,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:36:46,142 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:36:46,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:36:46,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:36:46,144 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_d622cebc-ea80-4979-b761-46418d225688/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-11-10 04:36:46,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:36:46,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:36:46,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:36:46,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:36:46,180 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:36:46,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:36:46,224 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/4fc615be2/e395c501f78d4f2fa5face0fc4284e05/FLAGa6c7c6acf [2018-11-10 04:36:46,603 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:36:46,603 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:36:46,607 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/4fc615be2/e395c501f78d4f2fa5face0fc4284e05/FLAGa6c7c6acf [2018-11-10 04:36:46,617 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/4fc615be2/e395c501f78d4f2fa5face0fc4284e05 [2018-11-10 04:36:46,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:36:46,620 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:36:46,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:36:46,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:36:46,623 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:36:46,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46, skipping insertion in model container [2018-11-10 04:36:46,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:36:46,643 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:36:46,732 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:36:46,735 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:36:46,743 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:36:46,753 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:36:46,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46 WrapperNode [2018-11-10 04:36:46,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:36:46,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:36:46,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:36:46,754 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:36:46,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... [2018-11-10 04:36:46,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:36:46,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:36:46,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:36:46,770 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:36:46,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/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 [2018-11-10 04:36:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:36:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:36:46,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:36:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 04:36:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:36:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:36:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:36:46,905 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:36:46,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:36:46 BoogieIcfgContainer [2018-11-10 04:36:46,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:36:46,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:36:46,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:36:46,908 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:36:46,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:36:46" (1/3) ... [2018-11-10 04:36:46,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5644c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:36:46, skipping insertion in model container [2018-11-10 04:36:46,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:46" (2/3) ... [2018-11-10 04:36:46,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5644c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:36:46, skipping insertion in model container [2018-11-10 04:36:46,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:36:46" (3/3) ... [2018-11-10 04:36:46,910 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:36:46,917 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:36:46,922 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:36:46,930 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:36:46,949 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:36:46,949 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:36:46,949 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:36:46,950 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:36:46,950 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:36:46,950 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:36:46,950 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:36:46,950 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:36:46,950 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:36:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-10 04:36:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:36:46,964 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:36:46,964 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:36:46,966 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:36:46,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:36:46,970 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-10 04:36:46,971 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 04:36:46,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 04:36:46,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:36:46,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:36:46,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 04:36:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:36:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:36:47,029 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:36:47,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:36:47 BoogieIcfgContainer [2018-11-10 04:36:47,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:36:47,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:36:47,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:36:47,041 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:36:47,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:36:46" (3/4) ... [2018-11-10 04:36:47,044 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 04:36:47,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:36:47,044 INFO L168 Benchmark]: Toolchain (without parser) took 424.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:36:47,046 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 04:36:47,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 133.19 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:36:47,047 INFO L168 Benchmark]: Boogie Preprocessor took 15.86 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:36:47,047 INFO L168 Benchmark]: RCFGBuilder took 135.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-10 04:36:47,048 INFO L168 Benchmark]: TraceAbstraction took 134.24 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 04:36:47,048 INFO L168 Benchmark]: Witness Printer took 3.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:36:47,050 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 133.19 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.86 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 135.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 948.5 MB in the beginning and 1.1 GB in the end (delta: -178.4 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 134.24 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 VAL [i=1] [L10] __VERIFIER_error() VAL [i=1] - 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:36:48,484 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:36:48,486 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:36:48,494 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:36:48,494 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:36:48,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:36:48,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:36:48,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:36:48,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:36:48,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:36:48,499 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:36:48,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:36:48,500 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:36:48,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:36:48,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:36:48,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:36:48,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:36:48,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:36:48,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:36:48,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:36:48,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:36:48,507 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:36:48,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:36:48,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:36:48,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:36:48,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:36:48,510 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:36:48,511 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:36:48,511 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:36:48,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:36:48,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:36:48,513 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:36:48,513 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:36:48,513 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:36:48,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:36:48,514 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:36:48,514 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 04:36:48,523 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:36:48,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:36:48,524 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:36:48,524 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:36:48,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:36:48,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:36:48,525 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 04:36:48,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:36:48,526 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:36:48,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:36:48,527 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 04:36:48,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 04:36:48,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:36:48,528 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:36:48,528 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:36:48,528 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 04:36:48,528 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:36:48,528 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 04:36:48,531 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 04:36:48,531 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_d622cebc-ea80-4979-b761-46418d225688/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-11-10 04:36:48,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:36:48,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:36:48,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:36:48,575 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:36:48,575 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:36:48,576 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:36:48,616 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/ae5e7e32f/3170e1aced7c4ca8b885a47c68b688ed/FLAG26af20d75 [2018-11-10 04:36:48,996 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:36:48,997 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/sv-benchmarks/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:36:49,000 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/ae5e7e32f/3170e1aced7c4ca8b885a47c68b688ed/FLAG26af20d75 [2018-11-10 04:36:49,009 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/data/ae5e7e32f/3170e1aced7c4ca8b885a47c68b688ed [2018-11-10 04:36:49,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:36:49,012 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 04:36:49,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:36:49,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:36:49,015 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:36:49,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3e59c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49, skipping insertion in model container [2018-11-10 04:36:49,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:36:49,036 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:36:49,154 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:36:49,160 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:36:49,171 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:36:49,182 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:36:49,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49 WrapperNode [2018-11-10 04:36:49,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:36:49,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:36:49,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:36:49,183 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:36:49,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... [2018-11-10 04:36:49,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:36:49,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:36:49,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:36:49,206 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:36:49,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/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 [2018-11-10 04:36:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 04:36:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:36:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 04:36:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 04:36:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 04:36:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 04:36:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:36:49,358 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:36:49,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:36:49 BoogieIcfgContainer [2018-11-10 04:36:49,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:36:49,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 04:36:49,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 04:36:49,362 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 04:36:49,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:36:49" (1/3) ... [2018-11-10 04:36:49,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d51dc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:36:49, skipping insertion in model container [2018-11-10 04:36:49,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:36:49" (2/3) ... [2018-11-10 04:36:49,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d51dc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:36:49, skipping insertion in model container [2018-11-10 04:36:49,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:36:49" (3/3) ... [2018-11-10 04:36:49,364 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-11-10 04:36:49,370 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 04:36:49,374 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 04:36:49,382 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 04:36:49,405 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 04:36:49,405 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 04:36:49,406 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 04:36:49,406 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 04:36:49,406 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 04:36:49,406 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 04:36:49,406 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 04:36:49,406 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 04:36:49,406 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 04:36:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2018-11-10 04:36:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 04:36:49,419 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 04:36:49,420 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 04:36:49,421 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 04:36:49,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:36:49,424 INFO L82 PathProgramCache]: Analyzing trace with hash 408836530, now seen corresponding path program 1 times [2018-11-10 04:36:49,427 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 04:36:49,427 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 04:36:49,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 04:36:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:36:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:36:49,479 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 04:36:49,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 04:36:49 BoogieIcfgContainer [2018-11-10 04:36:49,492 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 04:36:49,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:36:49,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:36:49,493 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:36:49,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:36:49" (3/4) ... [2018-11-10 04:36:49,495 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:36:49,518 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d622cebc-ea80-4979-b761-46418d225688/bin-2019/uautomizer/witness.graphml [2018-11-10 04:36:49,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:36:49,518 INFO L168 Benchmark]: Toolchain (without parser) took 507.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:36:49,519 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:36:49,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.65 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:36:49,521 INFO L168 Benchmark]: Boogie Preprocessor took 22.89 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:36:49,521 INFO L168 Benchmark]: RCFGBuilder took 152.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 939.0 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:36:49,522 INFO L168 Benchmark]: TraceAbstraction took 132.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:36:49,523 INFO L168 Benchmark]: Witness Printer took 25.20 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. [2018-11-10 04:36:49,527 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.65 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 939.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.89 ms. Allocated memory is still 1.0 GB. Free memory is still 939.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 152.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 939.0 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 132.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Witness Printer took 25.20 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: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; VAL [f=1.0, i=1] [L6] COND TRUE i == 1 VAL [f=1.0, i=1] [L10] __VERIFIER_error() VAL [f=1.0, i=1] - 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...