./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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 0.1.24-cad4683 [2019-10-22 09:01:31,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:31,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:31,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:31,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:31,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:31,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:31,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:31,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:31,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:31,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:31,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:31,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:31,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:31,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:31,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:31,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:31,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:31,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:31,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:31,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:31,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:31,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:31,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:31,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:31,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:31,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:31,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:31,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:31,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:31,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:31,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:31,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:31,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:31,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:31,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:31,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:31,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:31,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:31,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:31,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:31,208 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:31,217 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:31,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:31,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:31,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:31,218 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:31,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:31,218 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:31,219 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:31,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:31,220 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:31,220 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:31,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:31,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:31,220 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:31,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:31,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:31,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:31,221 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:31,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:31,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:31,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:31,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:31,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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 [2019-10-22 09:01:31,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:31,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:31,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:31,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:31,257 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:31,258 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-10-22 09:01:31,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/a865fa10f/d34149f0c9ec4f4093a219c0c23fdfb4/FLAG7b2d4e12d [2019-10-22 09:01:31,710 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:31,710 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-10-22 09:01:31,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/a865fa10f/d34149f0c9ec4f4093a219c0c23fdfb4/FLAG7b2d4e12d [2019-10-22 09:01:32,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/a865fa10f/d34149f0c9ec4f4093a219c0c23fdfb4 [2019-10-22 09:01:32,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:32,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:32,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:32,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:32,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:32,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485edf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32, skipping insertion in model container [2019-10-22 09:01:32,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:32,132 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:32,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:32,296 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:32,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:32,380 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:32,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32 WrapperNode [2019-10-22 09:01:32,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:32,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:32,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:32,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:32,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:32,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:32,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:32,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:32,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:32,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:32,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:32,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:32,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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 [2019-10-22 09:01:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:32,572 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:32,572 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:01:32,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:32 BoogieIcfgContainer [2019-10-22 09:01:32,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:32,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:32,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:32,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:32,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:32" (1/3) ... [2019-10-22 09:01:32,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3999e847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:32, skipping insertion in model container [2019-10-22 09:01:32,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32" (2/3) ... [2019-10-22 09:01:32,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3999e847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:32, skipping insertion in model container [2019-10-22 09:01:32,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:32" (3/3) ... [2019-10-22 09:01:32,581 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-10-22 09:01:32,590 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:32,597 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:32,607 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:32,628 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:32,628 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:32,628 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:32,628 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:32,628 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:32,628 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:32,628 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:32,629 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:32,646 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-10-22 09:01:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 09:01:32,651 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:32,652 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 09:01:32,653 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:32,659 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-10-22 09:01:32,666 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:32,666 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462817419] [2019-10-22 09:01:32,666 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:32,667 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:32,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:32,756 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:32,756 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:01:32,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:32 BoogieIcfgContainer [2019-10-22 09:01:32,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:32,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:32,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:32,772 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:32,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:32" (3/4) ... [2019-10-22 09:01:32,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:01:32,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:32,779 INFO L168 Benchmark]: Toolchain (without parser) took 674.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:32,779 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:32,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:32,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:32,781 INFO L168 Benchmark]: Boogie Preprocessor took 13.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:32,782 INFO L168 Benchmark]: RCFGBuilder took 151.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:32,783 INFO L168 Benchmark]: TraceAbstraction took 196.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:32,785 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:32,788 INFO L335 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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.70 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 151.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 196.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.58 ms. Allocated memory is still 1.1 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 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: 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 0.1.24-cad4683 [2019-10-22 09:01:34,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:34,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:34,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:34,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:34,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:34,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:34,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:34,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:34,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:34,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:34,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:34,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:34,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:34,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:34,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:34,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:34,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:34,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:34,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:34,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:34,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:34,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:34,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:34,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:34,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:34,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:34,751 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:34,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:34,752 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:34,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:34,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:34,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:34,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:34,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:34,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:34,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:34,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:34,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:34,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:34,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:34,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-10-22 09:01:34,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:34,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:34,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:34,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:34,770 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:34,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:34,771 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:34,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:34,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:34,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:34,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:34,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:34,772 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 09:01:34,772 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 09:01:34,772 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:34,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:34,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:34,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:34,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:34,773 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:34,773 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:34,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:34,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:34,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:34,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:34,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:34,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-10-22 09:01:34,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 09:01:34,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:34,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 09:01:34,775 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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 [2019-10-22 09:01:34,804 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:34,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:34,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:34,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:34,822 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:34,823 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-10-22 09:01:34,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/241daf7bb/e3c854eef90345ba80a3b3075e44beed/FLAG34d82db50 [2019-10-22 09:01:35,217 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:35,218 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-10-22 09:01:35,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/241daf7bb/e3c854eef90345ba80a3b3075e44beed/FLAG34d82db50 [2019-10-22 09:01:35,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/data/241daf7bb/e3c854eef90345ba80a3b3075e44beed [2019-10-22 09:01:35,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:35,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:35,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:35,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:35,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:35,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbafb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35, skipping insertion in model container [2019-10-22 09:01:35,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,638 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:35,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:35,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:35,817 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:35,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:35,848 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:35,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35 WrapperNode [2019-10-22 09:01:35,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:35,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:35,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:35,849 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:35,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:35,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:35,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:35,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:35,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... [2019-10-22 09:01:35,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:35,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:35,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:35,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:35,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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 [2019-10-22 09:01:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:36,095 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:36,095 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:01:36,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:36 BoogieIcfgContainer [2019-10-22 09:01:36,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:36,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:36,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:36,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:36,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:35" (1/3) ... [2019-10-22 09:01:36,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b0d1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:36, skipping insertion in model container [2019-10-22 09:01:36,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:35" (2/3) ... [2019-10-22 09:01:36,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b0d1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:36, skipping insertion in model container [2019-10-22 09:01:36,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:36" (3/3) ... [2019-10-22 09:01:36,104 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-10-22 09:01:36,111 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:36,116 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:36,125 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:36,146 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:36,146 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:36,146 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:36,146 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:36,146 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:36,146 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:36,146 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:36,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-10-22 09:01:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 09:01:36,163 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:36,163 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 09:01:36,165 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:36,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:36,169 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-10-22 09:01:36,176 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-10-22 09:01:36,176 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674587348] [2019-10-22 09:01:36,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/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 [2019-10-22 09:01:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:36,234 INFO L168 tionRefinementEngine]: Strategy WOLF found a feasible trace [2019-10-22 09:01:36,235 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 09:01:36,441 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-10-22 09:01:36,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:36 BoogieIcfgContainer [2019-10-22 09:01:36,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:36,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:36,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:36,455 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:36,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:36" (3/4) ... [2019-10-22 09:01:36,457 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 09:01:36,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e81225d3-9779-48b1-9711-b5d4a19a6576/bin/uautomizer/witness.graphml [2019-10-22 09:01:36,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:36,501 INFO L168 Benchmark]: Toolchain (without parser) took 877.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:36,501 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:36,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.10 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 936.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:36,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.11 ms. Allocated memory is still 1.0 GB. Free memory is still 936.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:36,504 INFO L168 Benchmark]: Boogie Preprocessor took 78.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -216.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:36,504 INFO L168 Benchmark]: RCFGBuilder took 133.40 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:36,505 INFO L168 Benchmark]: TraceAbstraction took 356.72 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:36,505 INFO L168 Benchmark]: Witness Printer took 44.78 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:36,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.10 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 936.2 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 35.11 ms. Allocated memory is still 1.0 GB. Free memory is still 936.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 936.2 MB in the beginning and 1.2 GB in the end (delta: -216.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 133.40 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 356.72 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.78 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: 6.5 MB). Peak memory consumption was 6.5 MB. 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; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...