./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 88b5e43d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18a7fa5d929aa4f94783ce4ac14d173e66069fd4 ............................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 18a7fa5d929aa4f94783ce4ac14d173e66069fd4 .............................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.0-88b5e43 [2020-11-23 23:37:36,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:37:36,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:37:36,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:37:36,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:37:36,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:37:36,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:37:36,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:37:36,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:37:36,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:37:36,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:37:36,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:37:36,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:37:36,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:37:36,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:37:36,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:37:36,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:37:36,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:37:36,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:37:36,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:37:36,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:37:36,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:37:36,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:37:36,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:37:36,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:37:36,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:37:36,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:37:36,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:37:36,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:37:36,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:37:36,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:37:36,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:37:36,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:37:36,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:37:36,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:37:36,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:37:36,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:37:36,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:37:36,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:37:36,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:37:36,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:37:36,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 23:37:36,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:37:36,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:37:36,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:37:36,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:37:36,881 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:37:36,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:37:36,882 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:37:36,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 23:37:36,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:37:36,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:37:36,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:37:36,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:37:36,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:37:36,883 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:37:36,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:37:36,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:37:36,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:37:36,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:37:36,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:37:36,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:37:36,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:37:36,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:37:36,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:37:36,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:37:36,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:37:36,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 23:37:36,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 23:37:36,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:37:36,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:37:36,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18a7fa5d929aa4f94783ce4ac14d173e66069fd4 [2020-11-23 23:37:37,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:37:37,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:37:37,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:37:37,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:37:37,380 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:37:37,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2020-11-23 23:37:37,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6d7cb42e/62e7790874aa44b696563628d205c845/FLAG9bf437341 [2020-11-23 23:37:38,200 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:37:38,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2020-11-23 23:37:38,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6d7cb42e/62e7790874aa44b696563628d205c845/FLAG9bf437341 [2020-11-23 23:37:38,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6d7cb42e/62e7790874aa44b696563628d205c845 [2020-11-23 23:37:38,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:37:38,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:37:38,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:37:38,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:37:38,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:37:38,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2b7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38, skipping insertion in model container [2020-11-23 23:37:38,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,557 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:37:38,578 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:37:38,764 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:37:38,777 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:37:38,804 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:37:38,825 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:37:38,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38 WrapperNode [2020-11-23 23:37:38,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:37:38,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:37:38,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:37:38,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:37:38,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 23:37:38,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-23 23:37:38,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-23 23:37:38,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-23 23:37:38,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... [2020-11-23 23:37:38,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-23 23:37:38,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-23 23:37:38,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-23 23:37:38,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-23 23:37:38,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:37:39,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-23 23:37:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-23 23:37:39,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-23 23:37:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-23 23:37:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-23 23:37:39,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-23 23:37:39,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-23 23:37:39,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-23 23:37:39,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-23 23:37:39,349 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-23 23:37:39,350 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-23 23:37:39,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:39 BoogieIcfgContainer [2020-11-23 23:37:39,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-23 23:37:39,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-23 23:37:39,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-23 23:37:39,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-23 23:37:39,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:37:38" (1/3) ... [2020-11-23 23:37:39,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee7846a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:39, skipping insertion in model container [2020-11-23 23:37:39,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:38" (2/3) ... [2020-11-23 23:37:39,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee7846a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:39, skipping insertion in model container [2020-11-23 23:37:39,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:39" (3/3) ... [2020-11-23 23:37:39,394 INFO L111 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2020-11-23 23:37:39,435 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-23 23:37:39,444 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-23 23:37:39,470 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-23 23:37:39,502 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-23 23:37:39,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-23 23:37:39,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-23 23:37:39,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-23 23:37:39,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-23 23:37:39,503 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-23 23:37:39,503 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-23 23:37:39,503 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-23 23:37:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-11-23 23:37:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-23 23:37:39,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-23 23:37:39,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-23 23:37:39,533 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-23 23:37:39,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-23 23:37:39,547 INFO L82 PathProgramCache]: Analyzing trace with hash -2135388399, now seen corresponding path program 1 times [2020-11-23 23:37:39,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-23 23:37:39,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000828058] [2020-11-23 23:37:39,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-23 23:37:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 23:37:39,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 23:37:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-23 23:37:39,767 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-23 23:37:39,805 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-23 23:37:39,805 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-23 23:37:39,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-23 23:37:39,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:37:39 BoogieIcfgContainer [2020-11-23 23:37:39,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-23 23:37:39,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-23 23:37:39,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-23 23:37:39,849 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-23 23:37:39,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:39" (3/4) ... [2020-11-23 23:37:39,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-23 23:37:39,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-23 23:37:39,857 INFO L168 Benchmark]: Toolchain (without parser) took 1326.05 ms. Allocated memory is still 50.3 MB. Free memory was 35.3 MB in the beginning and 21.4 MB in the end (delta: 13.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:39,858 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory is still 18.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:37:39,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.71 ms. Allocated memory is still 50.3 MB. Free memory was 34.6 MB in the beginning and 24.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:39,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.35 ms. Allocated memory is still 50.3 MB. Free memory was 24.4 MB in the beginning and 22.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:39,861 INFO L168 Benchmark]: Boogie Preprocessor took 37.92 ms. Allocated memory is still 50.3 MB. Free memory was 22.9 MB in the beginning and 35.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:39,862 INFO L168 Benchmark]: RCFGBuilder took 438.12 ms. Allocated memory is still 50.3 MB. Free memory was 35.2 MB in the beginning and 21.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:39,863 INFO L168 Benchmark]: TraceAbstraction took 478.14 ms. Allocated memory is still 50.3 MB. Free memory was 34.8 MB in the beginning and 21.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:39,864 INFO L168 Benchmark]: Witness Printer took 6.03 ms. Allocated memory is still 50.3 MB. Free memory was 21.6 MB in the beginning and 21.4 MB in the end (delta: 245.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:37:39,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 37.7 MB. Free memory is still 18.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.71 ms. Allocated memory is still 50.3 MB. Free memory was 34.6 MB in the beginning and 24.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.35 ms. Allocated memory is still 50.3 MB. Free memory was 24.4 MB in the beginning and 22.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.92 ms. Allocated memory is still 50.3 MB. Free memory was 22.9 MB in the beginning and 35.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 438.12 ms. Allocated memory is still 50.3 MB. Free memory was 35.2 MB in the beginning and 21.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 478.14 ms. Allocated memory is still 50.3 MB. Free memory was 34.8 MB in the beginning and 21.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.03 ms. Allocated memory is still 50.3 MB. Free memory was 21.6 MB in the beginning and 21.4 MB in the end (delta: 245.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 37, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 46. Possible FailurePath: [L1] int __return_main; [L17] float __return_72; [L18] int __return_87; VAL [__return_72=0, __return_87=0, __return_main=0] [L21] float main__a; [L22] float main__r; [L23] main__a = __VERIFIER_nondet_float() [L24] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L27] COND TRUE main__a <= 100.0 [L29] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] float __tmp_1; [L34] __tmp_1 = main__a [L35] float InvSqrt__x; [L36] InvSqrt__x = __tmp_1 [L37] float InvSqrt__xhalf = 0.5 * InvSqrt__x; [L38] union float_int InvSqrt__i; [L39] InvSqrt__i.f = InvSqrt__x [L40] EXPR InvSqrt__i.i [L40] InvSqrt__i.i = 1597463007 - ((InvSqrt__i.i) >> 1) [L41] EXPR InvSqrt__i.f [L41] InvSqrt__x = InvSqrt__i.f [L42] InvSqrt__x = InvSqrt__x * (1.5 - ((InvSqrt__xhalf * InvSqrt__x) * InvSqrt__x)) [L43] __return_72 = InvSqrt__x [L44] main__r = __return_72 [L45] int main____CPAchecker_TMP_1; VAL [__return_72=50, __return_87=0, __return_main=0] [L46] COND FALSE !(main__r >= 0.0) VAL [__return_72=50, __return_87=0, __return_main=0] [L72] main____CPAchecker_TMP_1 = 0 VAL [__return_72=50, __return_87=0, __return_main=0] [L53] int __tmp_2; [L54] __tmp_2 = main____CPAchecker_TMP_1 [L55] int __VERIFIER_assert__cond; [L56] __VERIFIER_assert__cond = __tmp_2 VAL [__return_72=50, __return_87=0, __return_main=0] [L57] COND TRUE __VERIFIER_assert__cond == 0 VAL [__return_72=50, __return_87=0, __return_main=0] [L4] __assert_fail("0", "inv_sqrt_Quake.c.v+cfa-reducer.c", 4, "reach_error") VAL [__return_72=50, __return_87=0, __return_main=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 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=16occurred 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, 10 NumberOfCodeBlocks, 10 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 0.2.0-88b5e43 [2020-11-23 23:37:42,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:37:42,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:37:42,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:37:42,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:37:42,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:37:42,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:37:42,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:37:42,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:37:42,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:37:42,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:37:42,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:37:42,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:37:42,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:37:42,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:37:42,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:37:42,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:37:42,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:37:42,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:37:42,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:37:42,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:37:42,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:37:42,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:37:42,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:37:42,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:37:42,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:37:42,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:37:42,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:37:42,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:37:42,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:37:42,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:37:42,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:37:42,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:37:42,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:37:42,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:37:42,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:37:42,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:37:42,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:37:42,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:37:42,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:37:42,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:37:42,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 23:37:42,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:37:42,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:37:42,842 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:37:42,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:37:42,842 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:37:42,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:37:42,843 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:37:42,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:37:42,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:37:42,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:37:42,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:37:42,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:37:42,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 23:37:42,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 23:37:42,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:37:42,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:37:42,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:37:42,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:37:42,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:37:42,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:37:42,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:37:42,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:37:42,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:37:42,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:37:42,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:37:42,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:37:42,849 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 23:37:42,850 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 23:37:42,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:37:42,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:37:42,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 23:37:42,850 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18a7fa5d929aa4f94783ce4ac14d173e66069fd4 [2020-11-23 23:37:43,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:37:43,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:37:43,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:37:43,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:37:43,291 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:37:43,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2020-11-23 23:37:43,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df1040c83/a78eef87958f4a2e84ecd660808b34b8/FLAG2a168b414 [2020-11-23 23:37:44,093 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:37:44,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2020-11-23 23:37:44,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df1040c83/a78eef87958f4a2e84ecd660808b34b8/FLAG2a168b414 [2020-11-23 23:37:44,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df1040c83/a78eef87958f4a2e84ecd660808b34b8 [2020-11-23 23:37:44,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:37:44,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:37:44,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:37:44,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:37:44,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:37:44,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:44" (1/1) ... [2020-11-23 23:37:44,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2c7a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:44, skipping insertion in model container [2020-11-23 23:37:44,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:44" (1/1) ... [2020-11-23 23:37:44,509 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:37:44,537 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:37:44,810 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:37:44,831 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:37:44,859 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:37:44,881 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:37:44,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:44 WrapperNode [2020-11-23 23:37:44,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:37:44,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:37:44,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:37:44,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:37:44,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:44" (1/1) ... [2020-11-23 23:37:44,910 ERROR L1131 TypeChecker]: C: float __return_72; [17]: Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~__return_72~0 := ~Pluszero~FLOAT(); [2020-11-23 23:37:44,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:44" (1/1) ... [2020-11-23 23:37:44,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-23 23:37:44,914 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-23 23:37:44,918 INFO L168 Benchmark]: Toolchain (without parser) took 443.70 ms. Allocated memory is still 46.1 MB. Free memory was 20.9 MB in the beginning and 22.1 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:37:44,919 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:37:44,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.52 ms. Allocated memory is still 46.1 MB. Free memory was 31.6 MB in the beginning and 23.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-23 23:37:44,924 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.00 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 22.1 MB in the end (delta: 962.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:37:44,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 37.7 MB. Free memory is still 20.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 393.52 ms. Allocated memory is still 46.1 MB. Free memory was 31.6 MB in the beginning and 23.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.00 ms. Allocated memory is still 46.1 MB. Free memory was 23.0 MB in the beginning and 22.1 MB in the end (delta: 962.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 17]: Type Error Type mismatch (C_FLOAT != C_FLOAT_SMT) in ~__return_72~0 := ~Pluszero~FLOAT(); RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...