./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/cast_union_tight_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_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ............................................................................................................................................................................................................................................................................. 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_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/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 6c0005e6146056cc1de3f3f086fde77a54c02f63 ........................................................................................................................................................................................................................................................................... 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 12:11:37,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:11:37,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:11:37,222 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:11:37,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:11:37,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:11:37,224 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:11:37,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:11:37,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:11:37,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:11:37,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:11:37,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:11:37,228 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:11:37,229 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:11:37,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:11:37,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:11:37,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:11:37,232 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:11:37,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:11:37,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:11:37,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:11:37,235 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:11:37,237 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:11:37,237 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:11:37,237 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:11:37,238 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:11:37,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:11:37,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:11:37,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:11:37,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:11:37,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:11:37,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:11:37,241 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:11:37,242 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:11:37,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:11:37,243 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:11:37,243 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 12:11:37,250 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:11:37,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:11:37,251 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:11:37,251 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:11:37,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:11:37,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:11:37,252 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:11:37,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:11:37,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:11:37,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:11:37,252 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:11:37,252 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:11:37,252 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:11:37,253 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:11:37,253 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:11:37,254 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:11:37,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:11:37,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:11:37,254 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:11:37,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:11:37,254 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:11:37,254 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:11:37,255 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:11:37,255 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_d4df7ded-df6b-4940-973a-d3752963245f/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-10 12:11:37,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:11:37,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:11:37,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:11:37,293 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:11:37,293 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:11:37,294 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 12:11:37,334 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/149a8e2f2/94ba8361c37b40819c66f6444fd550d7/FLAGa4fc1ad71 [2018-11-10 12:11:37,736 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:11:37,736 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 12:11:37,740 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/149a8e2f2/94ba8361c37b40819c66f6444fd550d7/FLAGa4fc1ad71 [2018-11-10 12:11:37,750 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/149a8e2f2/94ba8361c37b40819c66f6444fd550d7 [2018-11-10 12:11:37,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:11:37,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:11:37,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:37,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:11:37,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:11:37,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b503f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37, skipping insertion in model container [2018-11-10 12:11:37,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:11:37,778 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:11:37,882 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:11:37,885 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:11:37,898 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:11:37,911 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:11:37,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37 WrapperNode [2018-11-10 12:11:37,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:37,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:11:37,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:11:37,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:11:37,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... [2018-11-10 12:11:37,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:11:37,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:11:37,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:11:37,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:11:37,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/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 12:11:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:11:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:11:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 12:11:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-10 12:11:38,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:11:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:11:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 12:11:38,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:11:38,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:11:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:11:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:11:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-10 12:11:38,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-10 12:11:38,167 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:11:38,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:38 BoogieIcfgContainer [2018-11-10 12:11:38,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:11:38,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:11:38,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:11:38,171 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:11:38,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:11:37" (1/3) ... [2018-11-10 12:11:38,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e60a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:11:38, skipping insertion in model container [2018-11-10 12:11:38,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:37" (2/3) ... [2018-11-10 12:11:38,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57e60a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:11:38, skipping insertion in model container [2018-11-10 12:11:38,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:38" (3/3) ... [2018-11-10 12:11:38,174 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 12:11:38,183 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:11:38,189 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:11:38,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:11:38,229 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:11:38,230 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:11:38,230 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:11:38,230 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:11:38,230 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:11:38,230 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:11:38,230 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:11:38,230 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:11:38,231 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:11:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-10 12:11:38,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 12:11:38,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:38,255 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:38,256 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:38,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:38,262 INFO L82 PathProgramCache]: Analyzing trace with hash 637573445, now seen corresponding path program 1 times [2018-11-10 12:11:38,263 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:11:38,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:11:38,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:38,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:11:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:11:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:11:38,409 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:11:38,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:11:38 BoogieIcfgContainer [2018-11-10 12:11:38,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:11:38,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:11:38,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:11:38,433 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:11:38,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:38" (3/4) ... [2018-11-10 12:11:38,437 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:11:38,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:11:38,438 INFO L168 Benchmark]: Toolchain (without parser) took 684.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 960.8 MB in the beginning and 1.1 GB in the end (delta: -133.3 MB). Peak memory consumption was 2.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:38,440 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:11:38,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:38,441 INFO L168 Benchmark]: Boogie Preprocessor took 24.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:38,441 INFO L168 Benchmark]: RCFGBuilder took 231.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:38,442 INFO L168 Benchmark]: TraceAbstraction took 263.89 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:38,443 INFO L168 Benchmark]: Witness Printer took 4.94 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 12:11:38,446 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 157.54 ms. Allocated memory is still 1.0 GB. Free memory was 960.8 MB in the beginning and 950.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.55 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 944.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 231.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 263.89 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 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: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseXor at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) VAL [\old(i)=0] [L16] FCALL union u x, y; VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}] [L17] FCALL x.i[0] = 0x43300000 VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}] [L18] EXPR, FCALL x.i[0] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[0]=1127219200, y={1127219208:0}] [L18] FCALL y.i[0] = x.i[0] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[0]=1127219200, y={1127219208:0}] [L19] FCALL x.i[1] = 0x80000000 VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}] [L20] EXPR, FCALL x.i[1] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[1]=-2147483648, y={1127219208:0}] [L20] FCALL y.i[1] = i ^ x.i[1] VAL [\old(i)=0, i=0, x={1127219201:0}, x.i[1]=-2147483648, y={1127219208:0}] [L21] EXPR, FCALL y.d VAL [\old(i)=0, i=0, x={1127219201:0}, y={1127219208:0}, y.d=1127219205] [L21] EXPR, FCALL x.d VAL [\old(i)=0, i=0, x={1127219201:0}, x.d=1127219203, y={1127219208:0}, y.d=1127219205] [L21] return y.d - x.d; [L21] return y.d - x.d; VAL [\old(i)=0, i=0, y={1127219208:0}] [L21] RET return y.d - x.d; VAL [\old(i)=0, i=0] [L31] EXPR cast(a) VAL [a=0, cast(a)=1127219206] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 0.2s 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=40occurred 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, 32 NumberOfCodeBlocks, 32 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 12:11:39,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:11:39,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:11:39,902 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:11:39,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:11:39,903 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:11:39,904 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:11:39,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:11:39,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:11:39,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:11:39,908 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:11:39,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:11:39,909 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:11:39,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:11:39,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:11:39,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:11:39,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:11:39,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:11:39,916 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:11:39,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:11:39,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:11:39,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:11:39,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:11:39,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:11:39,921 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:11:39,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:11:39,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:11:39,922 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:11:39,923 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:11:39,924 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:11:39,924 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:11:39,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:11:39,924 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:11:39,925 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:11:39,925 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:11:39,926 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:11:39,926 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 12:11:39,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:11:39,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:11:39,937 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:11:39,937 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:11:39,937 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:11:39,938 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:11:39,938 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:11:39,938 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:11:39,938 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:11:39,938 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:11:39,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:11:39,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:11:39,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:11:39,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:11:39,939 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:11:39,940 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:11:39,940 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:11:39,940 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:11:39,941 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:11:39,941 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:11:39,941 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:11:39,941 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:11:39,941 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:11:39,941 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:11:39,942 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:11:39,942 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:11:39,942 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:11:39,942 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 12:11:39,942 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:11:39,942 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:11:39,942 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:11:39,943 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_d4df7ded-df6b-4940-973a-d3752963245f/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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2018-11-10 12:11:39,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:11:39,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:11:39,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:11:39,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:11:39,988 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:11:39,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/../../sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 12:11:40,036 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/0f536d38a/ad77ce289a78488ba6d4244cec0aa467/FLAG79c4f5fe4 [2018-11-10 12:11:40,356 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:11:40,356 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/sv-benchmarks/c/float-benchs/cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 12:11:40,360 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/0f536d38a/ad77ce289a78488ba6d4244cec0aa467/FLAG79c4f5fe4 [2018-11-10 12:11:40,370 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/data/0f536d38a/ad77ce289a78488ba6d4244cec0aa467 [2018-11-10 12:11:40,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:11:40,372 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:11:40,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:40,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:11:40,375 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:11:40,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d49161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40, skipping insertion in model container [2018-11-10 12:11:40,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:11:40,398 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:11:40,525 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:11:40,529 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:11:40,549 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:11:40,565 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:11:40,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40 WrapperNode [2018-11-10 12:11:40,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:11:40,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:11:40,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:11:40,566 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:11:40,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... [2018-11-10 12:11:40,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:11:40,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:11:40,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:11:40,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:11:40,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/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 12:11:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:11:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:11:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 12:11:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2018-11-10 12:11:40,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 12:11:40,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-10 12:11:40,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 12:11:40,891 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:11:40,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:40 BoogieIcfgContainer [2018-11-10 12:11:40,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:11:40,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:11:40,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:11:40,895 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:11:40,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:11:40" (1/3) ... [2018-11-10 12:11:40,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618278b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:11:40, skipping insertion in model container [2018-11-10 12:11:40,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:11:40" (2/3) ... [2018-11-10 12:11:40,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@618278b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:11:40, skipping insertion in model container [2018-11-10 12:11:40,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:40" (3/3) ... [2018-11-10 12:11:40,898 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_union_tight_false-unreach-call_true-termination.c [2018-11-10 12:11:40,909 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:11:40,915 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:11:40,925 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:11:40,946 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:11:40,947 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:11:40,947 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:11:40,947 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:11:40,947 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:11:40,947 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:11:40,947 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:11:40,948 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:11:40,948 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:11:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-10 12:11:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 12:11:40,962 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:11:40,962 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:11:40,964 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:11:40,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:11:40,967 INFO L82 PathProgramCache]: Analyzing trace with hash 637573445, now seen corresponding path program 1 times [2018-11-10 12:11:40,970 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 12:11:40,971 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/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 12:11:40,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:11:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:11:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:11:41,288 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:11:41,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:11:41 BoogieIcfgContainer [2018-11-10 12:11:41,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:11:41,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:11:41,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:11:41,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:11:41,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:11:40" (3/4) ... [2018-11-10 12:11:41,314 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:11:41,347 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4df7ded-df6b-4940-973a-d3752963245f/bin-2019/uautomizer/witness.graphml [2018-11-10 12:11:41,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:11:41,348 INFO L168 Benchmark]: Toolchain (without parser) took 976.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:41,349 INFO L168 Benchmark]: CDTParser took 0.16 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 12:11:41,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:41,349 INFO L168 Benchmark]: Boogie Preprocessor took 24.57 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:41,350 INFO L168 Benchmark]: RCFGBuilder took 300.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:41,350 INFO L168 Benchmark]: TraceAbstraction took 419.23 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: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:11:41,351 INFO L168 Benchmark]: Witness Printer took 35.70 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 12:11:41,352 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 192.94 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.57 ms. Allocated memory is still 1.0 GB. Free memory was 940.1 MB in the beginning and 934.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 300.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 419.23 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: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * Witness Printer took 35.70 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: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L31] CALL, EXPR cast(a) VAL [\old(i)=2214592514] [L16] FCALL union u x, y; VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}] [L17] FCALL x.i[0] = 0x43300000 VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}] [L18] EXPR, FCALL x.i[0] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[0]=1127219200, y={3:0}] [L18] FCALL y.i[0] = x.i[0] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[0]=1127219200, y={3:0}] [L19] FCALL x.i[1] = 0x80000000 VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}] [L20] EXPR, FCALL x.i[1] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[1]=-2147483648, y={3:0}] [L20] FCALL y.i[1] = i ^ x.i[1] VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.i[1]=-2147483648, y={3:0}] [L21] EXPR, FCALL y.d VAL [\old(i)=2214592514, i=2214592514, x={2:0}, y={3:0}, y.d=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812] [L21] EXPR, FCALL x.d VAL [\old(i)=2214592514, i=2214592514, x={2:0}, x.d=-0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000556920282, y={3:0}, y.d=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812] [L21] return y.d - x.d; [L21] return y.d - x.d; VAL [\old(i)=2214592514, \result=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812, i=2214592514, y={3:0}] [L21] RET return y.d - x.d; VAL [\old(i)=2214592514, \result=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812, i=2214592514] [L31] EXPR cast(a) VAL [a=2214592514, cast(a)=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002052272828708812] [L31] r = cast(a) [L32] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L7] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L7] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 0.3s 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=40occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 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...