./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ee8e70e7 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 ../sv-benchmarks/c/float-newlib/float_req_bl_1092c.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 bd6ef8c808e35cc7c8cb927272e5de3d085323eb ........................................................................................................................................................................................................................................................................................................ 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 ../sv-benchmarks/c/float-newlib/float_req_bl_1092c.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 bd6ef8c808e35cc7c8cb927272e5de3d085323eb ........................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:10:53,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:53,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:53,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:53,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:53,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:53,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:53,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:53,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:53,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:53,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:53,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:53,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:53,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:53,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:53,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:53,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:53,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:53,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:53,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:53,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:10:53,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:10:53,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:10:53,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:10:53,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:10:53,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:10:53,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:10:53,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:10:53,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:10:53,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:10:53,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:10:53,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:10:53,991 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:10:53,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:10:53,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:10:53,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:10:54,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:10:54,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:10:54,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:10:54,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:10:54,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:10:54,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:10:54,048 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:10:54,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:10:54,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:10:54,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:10:54,060 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:10:54,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:10:54,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:10:54,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:10:54,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:10:54,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:10:54,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:10:54,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:10:54,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:10:54,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:10:54,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:10:54,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:10:54,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:10:54,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:10:54,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:10:54,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:10:54,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:10:54,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:54,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:10:54,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:10:54,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:10:54,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:10:54,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:10:54,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:10:54,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:10:54,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6ef8c808e35cc7c8cb927272e5de3d085323eb [2020-10-24 15:10:54,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:10:54,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:10:54,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:10:54,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:10:54,498 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:10:54,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2020-10-24 15:10:54,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2529d1796/1d2bfd6ce1364aebb5bed08ea3666945/FLAG725b451d9 [2020-10-24 15:10:55,393 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:10:55,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2020-10-24 15:10:55,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2529d1796/1d2bfd6ce1364aebb5bed08ea3666945/FLAG725b451d9 [2020-10-24 15:10:55,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2529d1796/1d2bfd6ce1364aebb5bed08ea3666945 [2020-10-24 15:10:55,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:10:55,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:10:55,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:55,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:10:55,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:10:55,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:55" (1/1) ... [2020-10-24 15:10:55,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb122ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:55, skipping insertion in model container [2020-10-24 15:10:55,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:55" (1/1) ... [2020-10-24 15:10:55,747 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:10:55,767 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:10:56,014 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:56,025 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:10:56,055 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:56,080 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:10:56,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56 WrapperNode [2020-10-24 15:10:56,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:56,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:56,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:10:56,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:10:56,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:56,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:10:56,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:10:56,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:10:56,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:10:56,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:10:56,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:10:56,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:10:56,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (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 [2020-10-24 15:10:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:10:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:10:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:10:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:10:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:10:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:10:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:10:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:10:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:10:56,603 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:10:56,604 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:10:56,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:56 BoogieIcfgContainer [2020-10-24 15:10:56,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:10:56,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:10:56,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:10:56,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:10:56,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:10:55" (1/3) ... [2020-10-24 15:10:56,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c708f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:56, skipping insertion in model container [2020-10-24 15:10:56,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (2/3) ... [2020-10-24 15:10:56,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c708f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:56, skipping insertion in model container [2020-10-24 15:10:56,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:56" (3/3) ... [2020-10-24 15:10:56,615 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092c.c [2020-10-24 15:10:56,629 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:10:56,635 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:10:56,668 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:10:56,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:10:56,740 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:10:56,740 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:10:56,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:10:56,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:10:56,741 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:10:56,743 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:10:56,743 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:10:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-24 15:10:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:10:56,797 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:56,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:56,798 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:56,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:56,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2020-10-24 15:10:56,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:10:56,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420615339] [2020-10-24 15:10:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:10:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:10:56,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420615339] [2020-10-24 15:10:56,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:56,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:10:56,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706174850] [2020-10-24 15:10:56,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:10:56,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:10:57,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:10:57,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:57,013 INFO L87 Difference]: Start difference. First operand 30 states. Second operand 2 states. [2020-10-24 15:10:57,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:57,036 INFO L93 Difference]: Finished difference Result 57 states and 87 transitions. [2020-10-24 15:10:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:10:57,038 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 15:10:57,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:57,050 INFO L225 Difference]: With dead ends: 57 [2020-10-24 15:10:57,050 INFO L226 Difference]: Without dead ends: 26 [2020-10-24 15:10:57,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-24 15:10:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-24 15:10:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-24 15:10:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2020-10-24 15:10:57,095 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2020-10-24 15:10:57,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:57,095 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2020-10-24 15:10:57,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:10:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2020-10-24 15:10:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 15:10:57,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:57,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:57,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:10:57,098 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:57,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:57,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2020-10-24 15:10:57,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:10:57,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806794641] [2020-10-24 15:10:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:10:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:10:57,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:10:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:10:57,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:10:57,359 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:10:57,359 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:10:57,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:10:57,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:10:57 BoogieIcfgContainer [2020-10-24 15:10:57,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:10:57,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:10:57,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:10:57,398 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:10:57,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:56" (3/4) ... [2020-10-24 15:10:57,402 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:10:57,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:10:57,405 INFO L168 Benchmark]: Toolchain (without parser) took 1684.89 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.7 MB in the beginning and 36.5 MB in the end (delta: -8.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:57,406 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory is still 33.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:57,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.91 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 29.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:57,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.76 ms. Allocated memory is still 50.3 MB. Free memory was 29.8 MB in the beginning and 28.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:57,408 INFO L168 Benchmark]: Boogie Preprocessor took 50.89 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 26.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:57,409 INFO L168 Benchmark]: RCFGBuilder took 418.18 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 22.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:57,410 INFO L168 Benchmark]: TraceAbstraction took 788.99 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 36.8 MB in the end (delta: -15.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:57,411 INFO L168 Benchmark]: Witness Printer took 5.07 ms. Allocated memory is still 60.8 MB. Free memory is still 36.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:57,415 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 50.3 MB. Free memory is still 33.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.91 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 29.8 MB in the end (delta: -2.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.76 ms. Allocated memory is still 50.3 MB. Free memory was 29.8 MB in the beginning and 28.1 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.89 ms. Allocated memory is still 50.3 MB. Free memory was 28.1 MB in the beginning and 26.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 418.18 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 22.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 788.99 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 36.8 MB in the end (delta: -15.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.07 ms. Allocated memory is still 60.8 MB. Free memory is still 36.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAT_SMToperation at line 78, overapproximation of bitwiseAnd at line 66. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L78] float x = 1.0f / 0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [huge_ceil=1000000000000000000000000000000] [L79] float res = ceil_float(x); [L60] __int32_t ix; VAL [huge_ceil=1000000000000000000000000000000] [L62] ieee_float_shape_type gf_u; [L63] gf_u.value = (x) [L64] EXPR gf_u.word [L64] (ix) = gf_u.word [L66] ix &= 0x7fffffff [L67] return ((ix) == 0x7f800000L); VAL [huge_ceil=1000000000000000000000000000000] [L82] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_1092c.c", 3, "reach_error") VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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-ee8e70e [2020-10-24 15:10:59,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:59,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:59,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:59,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:59,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:59,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:59,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:59,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:59,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:59,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:59,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:59,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:59,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:59,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:59,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:59,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:59,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:59,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:59,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:59,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:11:00,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:11:00,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:11:00,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:11:00,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:11:00,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:11:00,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:11:00,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:11:00,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:11:00,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:11:00,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:11:00,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:11:00,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:11:00,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:11:00,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:11:00,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:11:00,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:11:00,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:11:00,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:11:00,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:11:00,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:11:00,044 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:11:00,100 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:11:00,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:11:00,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:11:00,102 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:11:00,102 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:11:00,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:11:00,103 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:11:00,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:11:00,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:11:00,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:11:00,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:11:00,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:11:00,106 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:11:00,106 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:11:00,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:11:00,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:11:00,106 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:11:00,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:11:00,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:11:00,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:11:00,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:11:00,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:11:00,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:00,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:11:00,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:11:00,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:11:00,109 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:11:00,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:11:00,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:11:00,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:11:00,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:11:00,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd6ef8c808e35cc7c8cb927272e5de3d085323eb [2020-10-24 15:11:00,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:00,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:00,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:00,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:00,616 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:00,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2020-10-24 15:11:00,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78d89fbfe/0836431c83054c0a87c767294973019b/FLAG6d7e179c4 [2020-10-24 15:11:01,293 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:01,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092c.c [2020-10-24 15:11:01,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78d89fbfe/0836431c83054c0a87c767294973019b/FLAG6d7e179c4 [2020-10-24 15:11:01,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/78d89fbfe/0836431c83054c0a87c767294973019b [2020-10-24 15:11:01,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:01,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:01,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:01,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:01,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:01,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d276d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01, skipping insertion in model container [2020-10-24 15:11:01,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,704 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:01,727 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:01,925 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:01,943 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:02,003 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:02,037 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:02,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:02 WrapperNode [2020-10-24 15:11:02,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:02,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:02,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:02,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:02,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:02" (1/1) ... [2020-10-24 15:11:02,067 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:02,070 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:02,075 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner has thrown an exception: java.lang.AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.checkExistingDeclarationInformation(TypeChecker.java:340) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckLeftHandSide(TypeChecker.java:360) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:781) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:846) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:957) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1033) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-10-24 15:11:02,085 INFO L168 Benchmark]: Toolchain (without parser) took 407.30 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.9 MB in the beginning and 39.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:02,088 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 48.2 MB. Free memory is still 27.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:02,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.78 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.2 MB in the beginning and 40.8 MB in the end (delta: -16.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:02,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 39.9 MB in the end (delta: 831.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:02,097 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 48.2 MB. Free memory is still 27.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.78 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 24.2 MB in the beginning and 40.8 MB in the end (delta: -16.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 65.0 MB. Free memory was 40.8 MB in the beginning and 39.9 MB in the end (delta: 831.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable * Results from de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: - ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...