./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_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/cast_float_ptr.c -s /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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 [2020-11-28 02:56:20,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:20,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:20,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:20,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:20,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:20,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:20,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:20,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:20,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:20,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:20,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:20,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:20,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:20,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:20,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:20,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:20,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:20,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:20,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:20,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:20,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:20,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:20,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:20,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:20,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:20,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:20,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:20,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:20,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:20,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:20,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:20,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:20,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:20,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:20,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:20,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:20,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:20,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:20,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:20,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:20,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:20,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:20,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:20,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:20,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:20,625 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:20,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:20,625 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:20,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:20,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:20,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:20,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:20,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:20,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:20,628 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:20,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:20,628 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:20,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:20,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:20,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:20,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:20,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:20,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:20,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:20,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:20,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:20,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:20,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:20,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:20,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:20,631 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_35436c30-5c87-423f-a428-e856bb98b1aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-11-28 02:56:20,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:20,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:20,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:20,988 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:20,989 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:20,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-28 02:56:21,063 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/b1743d1ba/bf6f04b929ac4c1b9cf3fc1305a2f322/FLAG007753b3b [2020-11-28 02:56:21,513 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:21,514 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-28 02:56:21,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/b1743d1ba/bf6f04b929ac4c1b9cf3fc1305a2f322/FLAG007753b3b [2020-11-28 02:56:21,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/b1743d1ba/bf6f04b929ac4c1b9cf3fc1305a2f322 [2020-11-28 02:56:21,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:21,889 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:21,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:21,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:21,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:21,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:21" (1/1) ... [2020-11-28 02:56:21,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea08b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:21, skipping insertion in model container [2020-11-28 02:56:21,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:21" (1/1) ... [2020-11-28 02:56:21,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:21,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:22,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,110 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:22,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:22,143 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:22,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22 WrapperNode [2020-11-28 02:56:22,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:22,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:22,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:22,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:22,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:22,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:22,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... [2020-11-28 02:56:22,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:22,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:22,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:22,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:22,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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 [2020-11-28 02:56:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:22,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 02:56:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 02:56:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 02:56:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:22,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 02:56:22,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:56:22,735 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:22,736 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 02:56:22,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:22 BoogieIcfgContainer [2020-11-28 02:56:22,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:22,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:22,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:22,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:22,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:21" (1/3) ... [2020-11-28 02:56:22,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c97522a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:22" (2/3) ... [2020-11-28 02:56:22,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c97522a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:22, skipping insertion in model container [2020-11-28 02:56:22,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:22" (3/3) ... [2020-11-28 02:56:22,748 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-11-28 02:56:22,763 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:22,776 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:22,788 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:22,815 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:22,818 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:22,818 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:22,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:22,819 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:22,819 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:22,819 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:22,819 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-28 02:56:22,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:56:22,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:22,843 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:22,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:22,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-11-28 02:56:22,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:22,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858412957] [2020-11-28 02:56:22,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:23,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:56:23,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:56:23,091 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:56:23,094 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:56:23,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:23,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:23 BoogieIcfgContainer [2020-11-28 02:56:23,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:23,125 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:23,125 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:23,125 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:23,126 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:22" (3/4) ... [2020-11-28 02:56:23,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:56:23,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:23,132 INFO L168 Benchmark]: Toolchain (without parser) took 1241.80 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 74.1 MB in the end (delta: -21.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:23,132 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:23,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.59 ms. Allocated memory is still 90.2 MB. Free memory was 52.7 MB in the beginning and 67.1 MB in the end (delta: -14.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:23,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.35 ms. Allocated memory is still 90.2 MB. Free memory was 67.1 MB in the beginning and 65.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:23,135 INFO L168 Benchmark]: Boogie Preprocessor took 38.16 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:23,136 INFO L168 Benchmark]: RCFGBuilder took 503.96 ms. Allocated memory is still 90.2 MB. Free memory was 64.4 MB in the beginning and 49.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:23,136 INFO L168 Benchmark]: TraceAbstraction took 382.82 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 48.7 MB in the beginning and 74.6 MB in the end (delta: -25.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:23,137 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 74.1 MB in the end (delta: 430.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:23,141 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory is still 69.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 253.59 ms. Allocated memory is still 90.2 MB. Free memory was 52.7 MB in the beginning and 67.1 MB in the end (delta: -14.4 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.35 ms. Allocated memory is still 90.2 MB. Free memory was 67.1 MB in the beginning and 65.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.16 ms. Allocated memory is still 90.2 MB. Free memory was 65.7 MB in the beginning and 64.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 503.96 ms. Allocated memory is still 90.2 MB. Free memory was 64.4 MB in the beginning and 49.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 382.82 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 48.7 MB in the beginning and 74.6 MB in the end (delta: -25.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.87 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 74.1 MB in the end (delta: 430.1 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 [2020-11-28 02:56:25,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:25,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:25,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:25,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:25,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:25,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:25,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:25,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:25,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:25,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:25,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:25,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:25,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:25,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:25,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:25,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:25,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:25,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:25,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:25,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:25,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:25,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:25,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:25,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:25,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:25,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:25,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:25,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:25,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:25,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:25,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:25,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:25,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:25,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:25,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:25,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:25,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:25,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:25,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:25,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:25,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 02:56:26,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:26,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:26,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:26,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:26,025 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:26,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:26,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:26,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:26,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:26,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:26,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:26,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:26,029 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 02:56:26,029 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 02:56:26,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:26,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:26,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:26,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:26,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:26,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:26,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:26,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:26,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:26,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:26,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:26,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:26,033 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 02:56:26,033 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 02:56:26,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:26,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:26,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 02:56:26,035 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_35436c30-5c87-423f-a428-e856bb98b1aa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617eaa0242fb4a2f0fbdac83184f4c0ff716c3b2 [2020-11-28 02:56:26,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:26,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:26,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:26,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:26,490 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:26,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/../../sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-28 02:56:26,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/53581fb16/ac0fbf8c2a34448c9f56dfdc4f92128f/FLAGffaabc3d1 [2020-11-28 02:56:27,061 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:27,063 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/sv-benchmarks/c/float-benchs/cast_float_ptr.c [2020-11-28 02:56:27,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/53581fb16/ac0fbf8c2a34448c9f56dfdc4f92128f/FLAGffaabc3d1 [2020-11-28 02:56:27,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/bin/uautomizer/data/53581fb16/ac0fbf8c2a34448c9f56dfdc4f92128f [2020-11-28 02:56:27,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:27,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:27,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:27,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:27,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:27,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f607ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27, skipping insertion in model container [2020-11-28 02:56:27,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:27,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:27,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:27,701 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:27,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:27,770 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:27,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27 WrapperNode [2020-11-28 02:56:27,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:27,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:27,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:27,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:27,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:27,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:27,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:27,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:27,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... [2020-11-28 02:56:27,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:27,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:27,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:27,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:27,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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 [2020-11-28 02:56:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 02:56:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 02:56:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 02:56:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 02:56:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 02:56:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:27,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 02:56:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 02:56:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 02:56:28,585 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:28,586 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 02:56:28,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:28 BoogieIcfgContainer [2020-11-28 02:56:28,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:28,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:28,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:28,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:28,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:27" (1/3) ... [2020-11-28 02:56:28,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8fc45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:28, skipping insertion in model container [2020-11-28 02:56:28,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:27" (2/3) ... [2020-11-28 02:56:28,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8fc45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:28, skipping insertion in model container [2020-11-28 02:56:28,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:28" (3/3) ... [2020-11-28 02:56:28,604 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-11-28 02:56:28,615 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:28,620 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:28,632 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:28,669 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:28,669 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:28,669 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:28,669 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:28,670 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:28,670 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:28,670 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:28,670 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-11-28 02:56:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 02:56:28,690 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:28,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:28,691 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:28,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:28,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1271567759, now seen corresponding path program 1 times [2020-11-28 02:56:28,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 02:56:28,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777260157] [2020-11-28 02:56:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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 [2020-11-28 02:56:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:28,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 02:56:28,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:28,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 02:56:29,023 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 [2020-11-28 02:56:29,024 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 02:56:29,082 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 02:56:29,088 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. [2020-11-28 02:56:29,089 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:110, output treesize:110 [2020-11-28 02:56:29,489 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-11-28 02:56:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:29,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 02:56:30,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777260157] [2020-11-28 02:56:30,038 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: incompatible size [2020-11-28 02:56:30,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [95615868] [2020-11-28 02:56:30,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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 [2020-11-28 02:56:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:30,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-28 02:56:30,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:30,626 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@6154614 [2020-11-28 02:56:30,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046503656] [2020-11-28 02:56:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_35436c30-5c87-423f-a428-e856bb98b1aa/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 [2020-11-28 02:56:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:30,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 02:56:30,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:30,763 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@6154614 [2020-11-28 02:56:30,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:30,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-11-28 02:56:30,763 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-11-28 02:56:30,764 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:56:31,376 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 [2020-11-28 02:56:31,396 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-11-28 02:56:31,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:31 BoogieIcfgContainer [2020-11-28 02:56:31,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:31,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:31,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:31,398 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:31,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:28" (3/4) ... [2020-11-28 02:56:31,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 02:56:31,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:31,403 INFO L168 Benchmark]: Toolchain (without parser) took 3953.38 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 41.3 MB in the beginning and 42.5 MB in the end (delta: -1.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:31,404 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 42.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:31,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.11 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 30.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:31,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.01 ms. Allocated memory is still 60.8 MB. Free memory was 30.5 MB in the beginning and 44.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:31,406 INFO L168 Benchmark]: Boogie Preprocessor took 29.83 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 42.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:31,407 INFO L168 Benchmark]: RCFGBuilder took 681.39 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 26.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:31,408 INFO L168 Benchmark]: TraceAbstraction took 2799.31 ms. Allocated memory is still 73.4 MB. Free memory was 55.4 MB in the beginning and 42.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:31,409 INFO L168 Benchmark]: Witness Printer took 4.61 ms. Allocated memory is still 73.4 MB. Free memory was 42.9 MB in the beginning and 42.5 MB in the end (delta: 311.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:31,413 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 60.8 MB. Free memory is still 42.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 319.11 ms. Allocated memory is still 60.8 MB. Free memory was 41.3 MB in the beginning and 30.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.01 ms. Allocated memory is still 60.8 MB. Free memory was 30.5 MB in the beginning and 44.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.83 ms. Allocated memory is still 60.8 MB. Free memory was 44.0 MB in the beginning and 42.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 681.39 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 26.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2799.31 ms. Allocated memory is still 73.4 MB. Free memory was 55.4 MB in the beginning and 42.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.61 ms. Allocated memory is still 73.4 MB. Free memory was 42.9 MB in the beginning and 42.5 MB in the end (delta: 311.8 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: 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: 2.7s, 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...