./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_float_ptr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 ................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:16:32,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:16:32,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:16:32,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:16:32,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:16:32,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:16:32,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:16:32,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:16:32,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:16:32,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:16:32,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:16:32,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:16:32,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:16:32,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:16:32,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:16:32,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:16:32,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:16:32,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:16:32,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:16:32,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:16:32,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:16:32,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:16:32,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:16:32,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:16:32,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:16:32,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:16:32,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:16:32,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:16:32,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:16:32,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:16:32,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:16:32,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:16:32,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:16:32,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:16:32,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:16:32,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:16:32,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:16:32,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:16:32,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:16:32,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:16:32,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:16:32,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:16:32,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:16:32,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:16:32,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:16:32,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:16:32,353 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:16:32,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:16:32,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:16:32,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:16:32,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:16:32,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:16:32,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:16:32,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:16:32,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:16:32,354 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:16:32,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:16:32,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:16:32,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:16:32,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:16:32,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:16:32,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:16:32,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:16:32,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:32,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:16:32,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:16:32,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:16:32,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:16:32,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:16:32,357 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:16:32,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:16:32,357 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(reach_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 -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-10-20 00:16:32,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:16:32,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:16:32,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:16:32,594 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:16:32,596 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:16:32,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-20 00:16:32,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa154b82/f7c536616d304f078ce0dca197b1ad72/FLAG276f1b05c [2020-10-20 00:16:33,210 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:16:33,211 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-20 00:16:33,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa154b82/f7c536616d304f078ce0dca197b1ad72/FLAG276f1b05c [2020-10-20 00:16:33,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa154b82/f7c536616d304f078ce0dca197b1ad72 [2020-10-20 00:16:33,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:16:33,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:16:33,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:33,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:16:33,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:16:33,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:33,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4b2b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33, skipping insertion in model container [2020-10-20 00:16:33,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:33,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:16:33,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:16:33,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:33,889 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:16:33,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:33,945 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:16:33,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33 WrapperNode [2020-10-20 00:16:33,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:33,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:33,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:16:33,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:16:33,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:33,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:34,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:16:34,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:16:34,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:16:34,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... [2020-10-20 00:16:34,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:16:34,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:16:34,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:16:34,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:16:34,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:16:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:16:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:16:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:16:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:16:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:16:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:16:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:16:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:16:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:16:34,410 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:16:34,410 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 00:16:34,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:34 BoogieIcfgContainer [2020-10-20 00:16:34,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:16:34,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:16:34,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:16:34,421 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:16:34,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:16:33" (1/3) ... [2020-10-20 00:16:34,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b999d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:34, skipping insertion in model container [2020-10-20 00:16:34,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:33" (2/3) ... [2020-10-20 00:16:34,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b999d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:34, skipping insertion in model container [2020-10-20 00:16:34,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:34" (3/3) ... [2020-10-20 00:16:34,428 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-10-20 00:16:34,446 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:16:34,454 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:16:34,490 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:16:34,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:16:34,557 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:16:34,557 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:16:34,557 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:16:34,557 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:16:34,557 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:16:34,557 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:16:34,558 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:16:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-10-20 00:16:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:16:34,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:34,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:16:34,599 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:34,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:34,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-10-20 00:16:34,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:16:34,615 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923875732] [2020-10-20 00:16:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:16:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:16:34,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:16:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:16:34,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:16:34,831 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:16:34,832 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:16:34,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:16:34,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:16:34 BoogieIcfgContainer [2020-10-20 00:16:34,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:16:34,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:16:34,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:16:34,869 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:16:34,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:34" (3/4) ... [2020-10-20 00:16:34,873 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:16:34,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:16:34,876 INFO L168 Benchmark]: Toolchain (without parser) took 1273.20 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 18.2 MB in the beginning and 11.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,884 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.32 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.3 MB in the beginning and 17.5 MB in the end (delta: -173.7 kB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.67 ms. Allocated memory is still 41.4 MB. Free memory was 17.5 MB in the beginning and 15.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,887 INFO L168 Benchmark]: Boogie Preprocessor took 46.54 ms. Allocated memory is still 41.4 MB. Free memory was 15.5 MB in the beginning and 14.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,889 INFO L168 Benchmark]: RCFGBuilder took 353.42 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 14.0 MB in the beginning and 12.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,889 INFO L168 Benchmark]: TraceAbstraction took 454.98 ms. Allocated memory is still 43.0 MB. Free memory was 12.4 MB in the beginning and 11.5 MB in the end (delta: 957.4 kB). Peak memory consumption was 957.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,890 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 43.0 MB. Free memory was 11.2 MB in the beginning and 11.0 MB in the end (delta: 257.6 kB). Peak memory consumption was 257.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:34,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 30.9 MB. Free memory was 6.2 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 339.32 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.3 MB in the beginning and 17.5 MB in the end (delta: -173.7 kB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 63.67 ms. Allocated memory is still 41.4 MB. Free memory was 17.5 MB in the beginning and 15.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 46.54 ms. Allocated memory is still 41.4 MB. Free memory was 15.5 MB in the beginning and 14.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 353.42 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 14.0 MB in the beginning and 12.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 454.98 ms. Allocated memory is still 43.0 MB. Free memory was 12.4 MB in the beginning and 11.5 MB in the end (delta: 957.4 kB). Peak memory consumption was 957.4 kB. Max. memory is 14.3 GB. * Witness Printer took 4.90 ms. Allocated memory is still 43.0 MB. Free memory was 11.2 MB in the beginning and 11.0 MB in the end (delta: 257.6 kB). Peak memory consumption was 257.6 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 25, overapproximation of bitwiseAnd at line 13. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L3] __assert_fail("0", "cast_float_ptr.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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, ACCELERATED_INTERPOLATION: 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 0.1.25-9a8b2e8 [2020-10-20 00:16:36,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:16:36,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:16:37,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:16:37,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:16:37,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:16:37,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:16:37,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:16:37,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:16:37,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:16:37,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:16:37,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:16:37,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:16:37,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:16:37,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:16:37,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:16:37,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:16:37,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:16:37,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:16:37,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:16:37,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:16:37,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:16:37,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:16:37,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:16:37,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:16:37,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:16:37,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:16:37,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:16:37,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:16:37,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:16:37,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:16:37,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:16:37,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:16:37,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:16:37,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:16:37,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:16:37,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:16:37,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:16:37,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:16:37,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:16:37,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:16:37,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:16:37,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:16:37,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:16:37,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:16:37,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:16:37,122 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:16:37,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:16:37,122 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:16:37,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:16:37,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:16:37,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:16:37,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:16:37,123 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:16:37,123 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:16:37,124 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:16:37,124 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:16:37,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:16:37,124 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:16:37,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:16:37,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:16:37,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:16:37,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:16:37,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:16:37,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:16:37,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:16:37,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:16:37,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:16:37,126 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:16:37,126 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:16:37,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:16:37,127 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:16:37,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:16:37,127 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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(reach_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 -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-10-20 00:16:37,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:16:37,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:16:37,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:16:37,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:16:37,355 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:16:37,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-20 00:16:37,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d6cfc4b/670a49bfc8004b4bb9b86227249988a2/FLAG5c61e944e [2020-10-20 00:16:37,850 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:16:37,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-20 00:16:37,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d6cfc4b/670a49bfc8004b4bb9b86227249988a2/FLAG5c61e944e [2020-10-20 00:16:38,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93d6cfc4b/670a49bfc8004b4bb9b86227249988a2 [2020-10-20 00:16:38,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:16:38,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:16:38,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:38,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:16:38,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:16:38,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbe767f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38, skipping insertion in model container [2020-10-20 00:16:38,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:16:38,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:16:38,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:38,621 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:16:38,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:16:38,694 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:16:38,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38 WrapperNode [2020-10-20 00:16:38,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:16:38,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:38,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:16:38,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:16:38,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:38,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:16:38,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:16:38,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:16:38,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... [2020-10-20 00:16:38,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:16:38,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:16:38,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:16:38,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:16:38,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:16:38,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:16:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:16:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:16:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:16:38,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-20 00:16:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:16:38,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:16:38,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:16:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-20 00:16:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:16:38,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:16:39,322 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:16:39,322 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-20 00:16:39,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:39 BoogieIcfgContainer [2020-10-20 00:16:39,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:16:39,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:16:39,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:16:39,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:16:39,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:16:38" (1/3) ... [2020-10-20 00:16:39,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5f8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:39, skipping insertion in model container [2020-10-20 00:16:39,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:16:38" (2/3) ... [2020-10-20 00:16:39,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe5f8f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:39, skipping insertion in model container [2020-10-20 00:16:39,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:39" (3/3) ... [2020-10-20 00:16:39,335 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-10-20 00:16:39,347 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:16:39,355 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:16:39,370 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:16:39,393 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:16:39,393 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:16:39,393 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:16:39,393 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:16:39,394 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:16:39,394 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:16:39,394 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:16:39,394 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:16:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-10-20 00:16:39,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:16:39,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:39,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:16:39,417 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:39,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:39,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-10-20 00:16:39,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:16:39,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660792309] [2020-10-20 00:16:39,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:16:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:39,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 00:16:39,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 00:16:39,711 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-10-20 00:16:39,713 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 00:16:39,753 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:16:39,760 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 00:16:39,760 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:110, output treesize:110 [2020-10-20 00:16:40,124 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-20 00:16:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:40,131 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:16:40,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660792309] [2020-10-20 00:16:40,671 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: incompatible size [2020-10-20 00:16:40,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1192936560] [2020-10-20 00:16:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 00:16:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:41,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 00:16:41,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:41,188 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@61c81498 [2020-10-20 00:16:41,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174507700] [2020-10-20 00:16:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:16:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:41,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-20 00:16:41,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:41,260 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@61c81498 [2020-10-20 00:16:41,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:16:41,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 00:16:41,261 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 00:16:41,261 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:16:41,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk,2 mathsat -unsat_core_generation=3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 00:16:41,896 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 00:16:41,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:16:41 BoogieIcfgContainer [2020-10-20 00:16:41,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:16:41,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:16:41,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:16:41,898 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:16:41,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:39" (3/4) ... [2020-10-20 00:16:41,902 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:16:41,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:16:41,904 INFO L168 Benchmark]: Toolchain (without parser) took 3632.16 ms. Allocated memory was 35.1 MB in the beginning and 49.8 MB in the end (delta: 14.7 MB). Free memory was 8.6 MB in the beginning and 12.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,905 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 34.6 MB. Free memory was 13.8 MB in the beginning and 13.8 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.82 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 7.7 MB in the beginning and 25.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,908 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 44.6 MB. Free memory was 24.0 MB in the beginning and 22.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,909 INFO L168 Benchmark]: RCFGBuilder took 522.73 ms. Allocated memory was 44.6 MB in the beginning and 46.1 MB in the end (delta: 1.6 MB). Free memory was 22.3 MB in the beginning and 17.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,910 INFO L168 Benchmark]: TraceAbstraction took 2570.86 ms. Allocated memory was 46.1 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Free memory was 17.5 MB in the beginning and 13.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,911 INFO L168 Benchmark]: Witness Printer took 4.62 ms. Allocated memory is still 49.8 MB. Free memory was 13.1 MB in the beginning and 12.7 MB in the end (delta: 383.4 kB). Peak memory consumption was 383.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:41,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 34.6 MB. Free memory was 13.8 MB in the beginning and 13.8 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 418.82 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 7.7 MB in the beginning and 25.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 74.39 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 44.6 MB. Free memory was 24.0 MB in the beginning and 22.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 522.73 ms. Allocated memory was 44.6 MB in the beginning and 46.1 MB in the end (delta: 1.6 MB). Free memory was 22.3 MB in the beginning and 17.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 2570.86 ms. Allocated memory was 46.1 MB in the beginning and 49.8 MB in the end (delta: 3.7 MB). Free memory was 17.5 MB in the beginning and 13.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * Witness Printer took 4.62 ms. Allocated memory is still 49.8 MB. Free memory was 13.1 MB in the beginning and 12.7 MB in the end (delta: 383.4 kB). Peak memory consumption was 383.4 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L34] double a; [L35] float r; [L37] a = __VERIFIER_nondet_double() [L10] double dmax; [L11] float f; [L13] EXPR \read(d) [L13] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L15] ((unsigned*)&dmax)[0] = 0x47efffff [L16] ((unsigned*)&dmax)[1] = 0xe0000000 [L18] EXPR \read(d) [L18] EXPR \read(dmax) [L18] COND FALSE !(d > dmax) [L21] EXPR \read(d) [L21] EXPR \read(dmax) [L21] COND FALSE !(-d > dmax) [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L25] EXPR \read(d) [L25] d >= -3.41e38 && d <= 3.41e38 [L5] COND TRUE !(cond) [L3] __assert_fail("0", "cast_float_ptr.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: 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...