./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=/tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer --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=/tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer --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 [2020-11-30 01:27:08,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:27:08,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:27:08,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:27:08,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:27:08,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:27:08,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:27:08,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:27:08,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:27:08,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:27:08,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:27:08,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:27:08,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:27:08,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:27:08,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:27:08,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:27:08,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:27:08,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:27:08,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:27:08,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:27:08,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:27:08,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:27:08,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:27:08,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:27:08,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:27:08,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:27:08,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:27:08,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:27:08,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:27:08,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:27:08,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:27:08,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:27:08,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:27:08,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:27:08,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:27:08,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:27:08,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:27:08,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:27:08,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:27:08,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:27:08,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:27:08,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:27:08,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:27:08,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:27:08,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:27:08,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:27:08,353 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:27:08,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:27:08,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:27:08,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:27:08,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:27:08,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:27:08,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:27:08,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:27:08,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:27:08,356 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:27:08,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:27:08,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:27:08,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:27:08,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:27:08,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:27:08,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:27:08,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:27:08,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:27:08,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:27:08,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:27:08,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:27:08,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:27:08,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:27:08,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:27:08,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:27:08,359 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:/tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-11-30 01:27:08,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:27:08,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:27:08,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:27:08,702 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:27:08,704 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:27:08,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-30 01:27:08,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/5e8fefb46/ce1f430fd3504a81a85a04aa81d43e01/FLAG2f6a2656c [2020-11-30 01:27:09,318 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:27:09,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-30 01:27:09,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/5e8fefb46/ce1f430fd3504a81a85a04aa81d43e01/FLAG2f6a2656c [2020-11-30 01:27:09,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/5e8fefb46/ce1f430fd3504a81a85a04aa81d43e01 [2020-11-30 01:27:09,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:27:09,677 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:27:09,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:09,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:27:09,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:27:09,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:09" (1/1) ... [2020-11-30 01:27:09,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21765e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:09, skipping insertion in model container [2020-11-30 01:27:09,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:09" (1/1) ... [2020-11-30 01:27:09,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:27:09,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:27:09,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:09,968 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:27:09,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:10,013 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:27:10,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10 WrapperNode [2020-11-30 01:27:10,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:10,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:10,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:27:10,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:27:10,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:10,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:27:10,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:27:10,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:27:10,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... [2020-11-30 01:27:10,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:27:10,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:27:10,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:27:10,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:27:10,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:27:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:27:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:27:10,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 01:27:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:27:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 01:27:10,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:27:10,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:27:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:27:10,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:27:10,568 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:27:10,569 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 01:27:10,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:10 BoogieIcfgContainer [2020-11-30 01:27:10,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:27:10,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:27:10,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:27:10,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:27:10,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:27:09" (1/3) ... [2020-11-30 01:27:10,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9f9850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:27:10, skipping insertion in model container [2020-11-30 01:27:10,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:10" (2/3) ... [2020-11-30 01:27:10,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9f9850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:27:10, skipping insertion in model container [2020-11-30 01:27:10,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:10" (3/3) ... [2020-11-30 01:27:10,582 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-11-30 01:27:10,595 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:27:10,599 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:27:10,615 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:27:10,637 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:27:10,638 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:27:10,638 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:27:10,638 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:27:10,638 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:27:10,638 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:27:10,638 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:27:10,638 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:27:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-30 01:27:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:27:10,659 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:10,659 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:10,660 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:10,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:10,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-11-30 01:27:10,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:27:10,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510855730] [2020-11-30 01:27:10,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:27:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:27:10,889 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:27:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:27:10,955 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:27:10,994 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:27:10,995 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:27:10,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:27:11,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:27:11 BoogieIcfgContainer [2020-11-30 01:27:11,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:27:11,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:27:11,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:27:11,046 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:27:11,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:10" (3/4) ... [2020-11-30 01:27:11,050 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:27:11,051 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:27:11,054 INFO L168 Benchmark]: Toolchain (without parser) took 1374.65 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 35.1 MB in the end (delta: 25.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:11,056 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 47.5 MB in the beginning and 47.5 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:11,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.68 ms. Allocated memory is still 90.2 MB. Free memory was 60.2 MB in the beginning and 68.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:11,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.18 ms. Allocated memory is still 90.2 MB. Free memory was 68.6 MB in the beginning and 66.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:11,060 INFO L168 Benchmark]: Boogie Preprocessor took 38.56 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 65.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:11,061 INFO L168 Benchmark]: RCFGBuilder took 462.23 ms. Allocated memory is still 90.2 MB. Free memory was 65.6 MB in the beginning and 50.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:11,062 INFO L168 Benchmark]: TraceAbstraction took 468.13 ms. Allocated memory is still 90.2 MB. Free memory was 50.1 MB in the beginning and 35.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:11,063 INFO L168 Benchmark]: Witness Printer took 5.18 ms. Allocated memory is still 90.2 MB. Free memory was 35.5 MB in the beginning and 35.1 MB in the end (delta: 387.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:11,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 47.5 MB in the beginning and 47.5 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 334.68 ms. Allocated memory is still 90.2 MB. Free memory was 60.2 MB in the beginning and 68.6 MB in the end (delta: -8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.18 ms. Allocated memory is still 90.2 MB. Free memory was 68.6 MB in the beginning and 66.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.56 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 65.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 462.23 ms. Allocated memory is still 90.2 MB. Free memory was 65.6 MB in the beginning and 50.5 MB in the end (delta: 15.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 468.13 ms. Allocated memory is still 90.2 MB. Free memory was 50.1 MB in the beginning and 35.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.18 ms. Allocated memory is still 90.2 MB. Free memory was 35.5 MB in the beginning and 35.1 MB in the end (delta: 387.3 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: 0.3s, 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, 0.1s 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 [2020-11-30 01:27:13,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:27:13,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:27:13,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:27:13,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:27:13,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:27:13,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:27:13,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:27:13,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:27:13,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:27:13,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:27:13,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:27:13,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:27:13,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:27:13,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:27:13,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:27:13,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:27:13,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:27:13,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:27:13,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:27:13,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:27:13,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:27:13,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:27:13,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:27:13,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:27:13,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:27:13,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:27:13,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:27:13,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:27:13,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:27:13,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:27:13,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:27:13,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:27:13,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:27:13,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:27:13,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:27:13,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:27:13,838 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:27:13,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:27:13,839 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:27:13,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:27:13,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 01:27:13,864 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:27:13,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:27:13,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:27:13,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:27:13,866 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:27:13,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:27:13,867 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:27:13,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:27:13,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:27:13,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:27:13,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:27:13,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:27:13,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:27:13,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:27:13,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:27:13,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:27:13,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:27:13,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:27:13,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:27:13,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:27:13,870 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:27:13,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:27:13,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:27:13,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:27:13,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:27:13,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:27:13,871 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 01:27:13,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:27:13,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:27:13,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:27:13,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:27:13,873 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:/tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-11-30 01:27:14,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:27:14,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:27:14,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:27:14,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:27:14,353 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:27:14,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-30 01:27:14,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/0a9a0aa19/b329cef1244c41909e7c66a5e4108e5f/FLAG8ef82477b [2020-11-30 01:27:14,945 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:27:14,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-30 01:27:14,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/0a9a0aa19/b329cef1244c41909e7c66a5e4108e5f/FLAG8ef82477b [2020-11-30 01:27:15,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/data/0a9a0aa19/b329cef1244c41909e7c66a5e4108e5f [2020-11-30 01:27:15,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:27:15,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:27:15,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:15,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:27:15,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:27:15,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219132eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15, skipping insertion in model container [2020-11-30 01:27:15,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:27:15,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:27:15,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:15,519 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:27:15,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:27:15,561 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:27:15,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15 WrapperNode [2020-11-30 01:27:15,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:27:15,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:15,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:27:15,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:27:15,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:27:15,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:27:15,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:27:15,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:27:15,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... [2020-11-30 01:27:15,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:27:15,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:27:15,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:27:15,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:27:15,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:27:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 01:27:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 01:27:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:27:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:27:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 01:27:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:27:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:27:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:27:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 01:27:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:27:15,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:27:16,304 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:27:16,306 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-30 01:27:16,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:16 BoogieIcfgContainer [2020-11-30 01:27:16,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:27:16,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:27:16,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:27:16,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:27:16,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:27:15" (1/3) ... [2020-11-30 01:27:16,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511cd060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:27:16, skipping insertion in model container [2020-11-30 01:27:16,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:27:15" (2/3) ... [2020-11-30 01:27:16,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@511cd060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:27:16, skipping insertion in model container [2020-11-30 01:27:16,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:16" (3/3) ... [2020-11-30 01:27:16,320 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-11-30 01:27:16,331 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:27:16,336 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:27:16,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:27:16,386 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:27:16,386 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:27:16,386 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:27:16,386 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:27:16,386 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:27:16,387 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:27:16,387 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:27:16,387 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:27:16,399 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-30 01:27:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 01:27:16,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:27:16,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:27:16,406 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:27:16,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:27:16,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-11-30 01:27:16,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 01:27:16,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [101825348] [2020-11-30 01:27:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 01:27:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:16,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 01:27:16,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:27:16,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-30 01:27:16,787 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 [2020-11-30 01:27:16,788 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-30 01:27:16,840 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-30 01:27:16,849 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. [2020-11-30 01:27:16,850 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:110, output treesize:110 [2020-11-30 01:27:17,249 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-11-30 01:27:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:27:17,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:27:17,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [101825348] [2020-11-30 01:27:17,724 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: incompatible size [2020-11-30 01:27:17,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [675330048] [2020-11-30 01:27:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/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 [2020-11-30 01:27:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:18,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 01:27:18,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:27:18,227 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3fec278f [2020-11-30 01:27:18,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810977012] [2020-11-30 01:27:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75ce0613-52da-49ff-a8bf-ecb708d9580a/bin/uautomizer/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 [2020-11-30 01:27:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:27:18,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-30 01:27:18,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:27:18,310 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3fec278f [2020-11-30 01:27:18,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:27:18,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-30 01:27:18,311 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-11-30 01:27:18,311 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 01:27:18,920 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 [2020-11-30 01:27:18,936 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-30 01:27:18,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:27:18 BoogieIcfgContainer [2020-11-30 01:27:18,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:27:18,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:27:18,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:27:18,939 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:27:18,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:27:16" (3/4) ... [2020-11-30 01:27:18,943 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 01:27:18,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:27:18,947 INFO L168 Benchmark]: Toolchain (without parser) took 3635.16 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 52.4 MB in the beginning and 39.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 36.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:18,948 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:18,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.42 ms. Allocated memory is still 69.2 MB. Free memory was 52.3 MB in the beginning and 41.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:18,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.00 ms. Allocated memory is still 69.2 MB. Free memory was 41.8 MB in the beginning and 53.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:18,952 INFO L168 Benchmark]: Boogie Preprocessor took 39.84 ms. Allocated memory is still 69.2 MB. Free memory was 53.5 MB in the beginning and 52.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:27:18,954 INFO L168 Benchmark]: RCFGBuilder took 624.73 ms. Allocated memory is still 69.2 MB. Free memory was 52.0 MB in the beginning and 35.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:18,956 INFO L168 Benchmark]: TraceAbstraction took 2625.49 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 35.0 MB in the beginning and 39.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:18,962 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 92.3 MB. Free memory was 39.9 MB in the beginning and 39.3 MB in the end (delta: 603.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:27:18,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 69.2 MB. Free memory was 51.7 MB in the beginning and 51.6 MB in the end (delta: 53.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.42 ms. Allocated memory is still 69.2 MB. Free memory was 52.3 MB in the beginning and 41.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.00 ms. Allocated memory is still 69.2 MB. Free memory was 41.8 MB in the beginning and 53.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.84 ms. Allocated memory is still 69.2 MB. Free memory was 53.5 MB in the beginning and 52.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 624.73 ms. Allocated memory is still 69.2 MB. Free memory was 52.0 MB in the beginning and 35.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2625.49 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 35.0 MB in the beginning and 39.9 MB in the end (delta: -4.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 92.3 MB. Free memory was 39.9 MB in the beginning and 39.3 MB in the end (delta: 603.3 kB). Peak memory consumption was 2.1 MB. 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: 2.5s, 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...