./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 a4ecdabc 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_1.5.800.v20200727-1323.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_1.5.800.v20200727-1323.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 0.2.0-a4ecdab [2020-10-24 21:58:29,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:58:29,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:58:29,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:58:29,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:58:29,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:58:29,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:58:29,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:58:29,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:58:29,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:58:29,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:58:29,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:58:29,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:58:29,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:58:29,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:58:29,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:58:29,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:58:29,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:58:29,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:58:29,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:58:29,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:58:29,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:58:29,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:58:29,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:58:29,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:58:30,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:58:30,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:58:30,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:58:30,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:58:30,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:58:30,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:58:30,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:58:30,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:58:30,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:58:30,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:58:30,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:58:30,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:58:30,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:58:30,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:58:30,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:58:30,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:58:30,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 21:58:30,070 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:58:30,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:58:30,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:58:30,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:58:30,075 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:58:30,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:58:30,075 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:58:30,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 21:58:30,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:58:30,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:58:30,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:58:30,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:58:30,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:58:30,078 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:58:30,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:58:30,078 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:58:30,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:58:30,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:58:30,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:58:30,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:58:30,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:58:30,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:58:30,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:58:30,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:58:30,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:58:30,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 21:58:30,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 21:58:30,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:58:30,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:58:30,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-10-24 21:58:30,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:58:30,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:58:30,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:58:30,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:58:30,492 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:58:30,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-24 21:58:30,579 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ace8df5/bbca27c1ea6a44ed9f8ac6729232cd86/FLAG30ad558f9 [2020-10-24 21:58:31,227 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:58:31,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-24 21:58:31,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ace8df5/bbca27c1ea6a44ed9f8ac6729232cd86/FLAG30ad558f9 [2020-10-24 21:58:31,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ace8df5/bbca27c1ea6a44ed9f8ac6729232cd86 [2020-10-24 21:58:31,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:58:31,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:58:31,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:58:31,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:58:31,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:58:31,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a446ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31, skipping insertion in model container [2020-10-24 21:58:31,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:58:31,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:58:31,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:58:31,889 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:58:31,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:58:31,931 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:58:31,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31 WrapperNode [2020-10-24 21:58:31,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:58:31,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:58:31,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:58:31,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:58:31,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:58:31,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:58:31,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:58:31,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:58:31,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:31,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:32,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (1/1) ... [2020-10-24 21:58:32,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:58:32,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:58:32,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:58:32,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:58:32,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (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 [2020-10-24 21:58:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 21:58:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:58:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 21:58:32,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 21:58:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 21:58:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:58:32,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:58:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 21:58:32,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 21:58:32,544 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:58:32,544 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-24 21:58:32,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:32 BoogieIcfgContainer [2020-10-24 21:58:32,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:58:32,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:58:32,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:58:32,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:58:32,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:58:31" (1/3) ... [2020-10-24 21:58:32,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9ffba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:58:32, skipping insertion in model container [2020-10-24 21:58:32,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:31" (2/3) ... [2020-10-24 21:58:32,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9ffba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:58:32, skipping insertion in model container [2020-10-24 21:58:32,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:32" (3/3) ... [2020-10-24 21:58:32,556 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-10-24 21:58:32,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:58:32,575 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 21:58:32,603 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 21:58:32,634 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:58:32,634 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:58:32,634 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:58:32,634 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:58:32,635 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:58:32,635 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:58:32,635 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:58:32,635 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:58:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-10-24 21:58:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 21:58:32,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:58:32,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:58:32,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:58:32,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:58:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-10-24 21:58:32,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 21:58:32,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834801966] [2020-10-24 21:58:32,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 21:58:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 21:58:32,833 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 21:58:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 21:58:32,876 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 21:58:32,905 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 21:58:32,909 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 21:58:32,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 21:58:32,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:58:32 BoogieIcfgContainer [2020-10-24 21:58:32,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:58:32,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:58:32,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:58:32,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:58:32,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:32" (3/4) ... [2020-10-24 21:58:32,950 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 21:58:32,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:58:32,953 INFO L168 Benchmark]: Toolchain (without parser) took 1351.37 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.4 MB in the beginning and 33.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:32,955 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory was 24.4 MB in the beginning and 24.4 MB in the end (delta: 20.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:58:32,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.96 ms. Allocated memory is still 46.1 MB. Free memory was 22.8 MB in the beginning and 24.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:32,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 46.1 MB. Free memory was 24.0 MB in the beginning and 22.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:32,958 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 46.1 MB. Free memory was 22.4 MB in the beginning and 21.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:58:32,959 INFO L168 Benchmark]: RCFGBuilder took 537.21 ms. Allocated memory is still 46.1 MB. Free memory was 31.0 MB in the beginning and 25.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:32,960 INFO L168 Benchmark]: TraceAbstraction took 396.20 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 33.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:32,961 INFO L168 Benchmark]: Witness Printer took 5.42 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 33.2 MB in the end (delta: 288.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:58:32,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory was 24.4 MB in the beginning and 24.4 MB in the end (delta: 20.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.96 ms. Allocated memory is still 46.1 MB. Free memory was 22.8 MB in the beginning and 24.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 46.1 MB. Free memory was 24.0 MB in the beginning and 22.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 46.1 MB. Free memory was 22.4 MB in the beginning and 21.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 537.21 ms. Allocated memory is still 46.1 MB. Free memory was 31.0 MB in the beginning and 25.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 396.20 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 25.2 MB in the beginning and 33.5 MB in the end (delta: -8.3 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.42 ms. Allocated memory is still 56.6 MB. Free memory was 33.5 MB in the beginning and 33.2 MB in the end (delta: 288.6 kB). There was no memory consumed. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-10-24 21:58:35,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:58:35,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:58:35,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:58:35,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:58:35,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:58:35,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:58:35,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:58:35,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:58:35,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:58:35,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:58:35,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:58:35,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:58:35,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:58:35,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:58:35,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:58:35,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:58:35,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:58:35,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:58:35,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:58:35,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:58:35,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:58:35,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:58:35,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:58:35,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:58:35,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:58:35,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:58:35,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:58:35,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:58:35,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:58:35,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:58:35,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:58:35,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:58:35,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:58:35,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:58:35,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:58:35,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:58:35,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:58:35,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:58:35,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:58:35,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:58:35,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 21:58:35,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:58:35,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:58:35,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:58:35,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:58:35,595 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:58:35,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:58:35,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:58:35,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:58:35,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:58:35,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:58:35,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:58:35,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:58:35,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 21:58:35,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 21:58:35,598 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:58:35,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:58:35,598 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:58:35,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:58:35,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:58:35,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:58:35,599 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:58:35,599 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:58:35,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:58:35,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:58:35,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:58:35,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:58:35,600 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 21:58:35,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 21:58:35,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:58:35,601 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:58:35,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 21:58:35,601 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-10-24 21:58:36,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:58:36,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:58:36,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:58:36,084 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:58:36,085 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:58:36,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-24 21:58:36,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdea079c/2ffabffaedac411cbd95518a844a2abe/FLAG48d091d72 [2020-10-24 21:58:36,615 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:58:36,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-10-24 21:58:36,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdea079c/2ffabffaedac411cbd95518a844a2abe/FLAG48d091d72 [2020-10-24 21:58:37,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bdea079c/2ffabffaedac411cbd95518a844a2abe [2020-10-24 21:58:37,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:58:37,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:58:37,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:58:37,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:58:37,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:58:37,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8924f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37, skipping insertion in model container [2020-10-24 21:58:37,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:58:37,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:58:37,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:58:37,313 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:58:37,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:58:37,389 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:58:37,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37 WrapperNode [2020-10-24 21:58:37,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:58:37,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:58:37,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:58:37,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:58:37,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:58:37,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:58:37,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:58:37,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:58:37,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (1/1) ... [2020-10-24 21:58:37,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:58:37,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:58:37,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:58:37,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:58:37,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (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 [2020-10-24 21:58:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 21:58:37,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 21:58:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 21:58:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:58:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-10-24 21:58:37,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 21:58:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:58:37,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:58:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-10-24 21:58:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 21:58:37,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 21:58:38,053 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:58:38,054 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-24 21:58:38,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:38 BoogieIcfgContainer [2020-10-24 21:58:38,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:58:38,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:58:38,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:58:38,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:58:38,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:58:37" (1/3) ... [2020-10-24 21:58:38,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d9aff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:58:38, skipping insertion in model container [2020-10-24 21:58:38,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:58:37" (2/3) ... [2020-10-24 21:58:38,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d9aff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:58:38, skipping insertion in model container [2020-10-24 21:58:38,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:38" (3/3) ... [2020-10-24 21:58:38,066 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-10-24 21:58:38,094 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:58:38,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 21:58:38,138 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 21:58:38,179 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:58:38,179 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:58:38,179 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:58:38,179 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:58:38,180 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:58:38,180 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:58:38,180 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:58:38,180 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:58:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-10-24 21:58:38,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-24 21:58:38,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:58:38,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 21:58:38,200 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:58:38,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:58:38,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-10-24 21:58:38,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:58:38,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129285471] [2020-10-24 21:58:38,220 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 [2020-10-24 21:58:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:58:38,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-24 21:58:38,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:58:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-24 21:58:38,562 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 [2020-10-24 21:58:38,562 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-24 21:58:38,617 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-24 21:58:38,630 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. [2020-10-24 21:58:38,630 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:110, output treesize:110 [2020-10-24 21:58:39,056 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-24 21:58:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:58:39,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:58:39,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129285471] [2020-10-24 21:58:39,483 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: incompatible size [2020-10-24 21:58:39,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [754572647] [2020-10-24 21:58:39,483 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 [2020-10-24 21:58:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:58:39,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-24 21:58:39,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:58:39,959 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@6d5ec658 [2020-10-24 21:58:39,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508308980] [2020-10-24 21:58:39,959 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 [2020-10-24 21:58:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:58:40,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-24 21:58:40,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:58:40,041 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@6d5ec658 [2020-10-24 21:58:40,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:58:40,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-24 21:58:40,042 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-24 21:58:40,042 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 21:58:40,652 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 [2020-10-24 21:58:40,676 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-24 21:58:40,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:58:40 BoogieIcfgContainer [2020-10-24 21:58:40,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:58:40,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:58:40,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:58:40,677 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:58:40,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:58:38" (3/4) ... [2020-10-24 21:58:40,681 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 21:58:40,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:58:40,683 INFO L168 Benchmark]: Toolchain (without parser) took 3668.69 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.7 MB in the beginning and 34.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:40,684 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 44.0 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:58:40,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.72 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 30.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:40,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.17 ms. Allocated memory is still 54.5 MB. Free memory was 30.9 MB in the beginning and 29.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:58:40,686 INFO L168 Benchmark]: Boogie Preprocessor took 68.30 ms. Allocated memory is still 54.5 MB. Free memory was 29.2 MB in the beginning and 27.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:40,687 INFO L168 Benchmark]: RCFGBuilder took 531.20 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 36.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:40,688 INFO L168 Benchmark]: TraceAbstraction took 2618.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 34.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:58:40,689 INFO L168 Benchmark]: Witness Printer took 4.17 ms. Allocated memory is still 67.1 MB. Free memory is still 34.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:58:40,693 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 44.0 MB. Free memory was 23.4 MB in the beginning and 23.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 369.72 ms. Allocated memory is still 54.5 MB. Free memory was 37.1 MB in the beginning and 30.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.17 ms. Allocated memory is still 54.5 MB. Free memory was 30.9 MB in the beginning and 29.2 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.30 ms. Allocated memory is still 54.5 MB. Free memory was 29.2 MB in the beginning and 27.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 531.20 ms. Allocated memory is still 54.5 MB. Free memory was 27.8 MB in the beginning and 36.7 MB in the end (delta: -8.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2618.68 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 36.2 MB in the beginning and 34.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 15.5 MB. Max. memory is 16.1 GB. * Witness Printer took 4.17 ms. Allocated memory is still 67.1 MB. Free memory is still 34.0 MB. There was no memory consumed. Max. memory is 16.1 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...