./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0730a.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/double_req_bl_0730a.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 8c9e4c7f8995223bc7932e148ca032e092f66eb9 ........................................................................................................................................................................................................................................................................................................... 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/double_req_bl_0730a.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 8c9e4c7f8995223bc7932e148ca032e092f66eb9 .............................................................................................................................................................................. 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 15:02:49,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:02:49,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:02:49,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:02:49,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:02:49,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:02:49,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:02:49,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:02:49,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:02:49,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:02:49,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:02:49,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:02:49,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:02:49,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:02:49,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:02:49,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:02:49,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:02:49,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:02:49,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:02:49,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:02:49,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:02:49,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:02:49,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:02:49,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:02:49,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:02:49,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:02:49,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:02:49,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:02:49,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:02:49,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:02:49,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:02:49,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:02:49,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:02:49,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:02:49,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:02:49,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:02:49,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:02:49,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:02:49,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:02:49,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:02:49,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:02:49,968 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 15:02:49,994 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:02:49,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:02:49,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:02:49,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:02:49,997 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:02:49,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:02:49,997 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:02:49,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:02:49,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:02:49,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:02:49,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:02:49,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:02:49,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:02:49,999 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:02:49,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:02:50,000 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:02:50,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:02:50,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:02:50,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:02:50,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:02:50,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:02:50,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:02:50,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:02:50,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:02:50,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:02:50,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:02:50,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:02:50,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:02:50,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:02:50,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9e4c7f8995223bc7932e148ca032e092f66eb9 [2020-10-24 15:02:50,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:02:50,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:02:50,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:02:50,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:02:50,406 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:02:50,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2020-10-24 15:02:50,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f6b2fb4f/57319a638b7a4ef88b42e6bd52ae4539/FLAG7f8249a3e [2020-10-24 15:02:51,164 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:02:51,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2020-10-24 15:02:51,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f6b2fb4f/57319a638b7a4ef88b42e6bd52ae4539/FLAG7f8249a3e [2020-10-24 15:02:51,539 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f6b2fb4f/57319a638b7a4ef88b42e6bd52ae4539 [2020-10-24 15:02:51,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:02:51,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:02:51,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:51,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:02:51,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:02:51,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:51,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ed803e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51, skipping insertion in model container [2020-10-24 15:02:51,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:51,571 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:02:51,614 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:02:51,861 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:51,873 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:02:51,921 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:51,939 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:02:51,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51 WrapperNode [2020-10-24 15:02:51,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:51,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:51,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:02:51,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:02:51,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:51,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:52,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:02:52,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:02:52,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:02:52,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (1/1) ... [2020-10-24 15:02:52,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:02:52,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:02:52,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:02:52,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:02:52,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (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 15:02:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:02:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:02:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:02:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:02:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:02:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:02:52,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:02:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:02:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:02:52,946 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:02:52,946 INFO L298 CfgBuilder]: Removed 20 assume(true) statements. [2020-10-24 15:02:52,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:52 BoogieIcfgContainer [2020-10-24 15:02:52,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:02:52,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:02:52,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:02:52,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:02:52,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:02:51" (1/3) ... [2020-10-24 15:02:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25741b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:02:52, skipping insertion in model container [2020-10-24 15:02:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:51" (2/3) ... [2020-10-24 15:02:52,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25741b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:02:52, skipping insertion in model container [2020-10-24 15:02:52,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:52" (3/3) ... [2020-10-24 15:02:52,967 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0730a.c [2020-10-24 15:02:52,979 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:02:52,984 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:02:52,999 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:02:53,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:02:53,039 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:02:53,039 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:02:53,039 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:02:53,039 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:02:53,039 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:02:53,040 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:02:53,040 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:02:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2020-10-24 15:02:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:02:53,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:02:53,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:02:53,068 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:02:53,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:02:53,076 INFO L82 PathProgramCache]: Analyzing trace with hash -898135563, now seen corresponding path program 1 times [2020-10-24 15:02:53,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:02:53,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699174611] [2020-10-24 15:02:53,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:02:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:02:53,227 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 15:02:53,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699174611] [2020-10-24 15:02:53,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:02:53,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:02:53,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894330772] [2020-10-24 15:02:53,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:02:53,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:02:53,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:02:53,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:02:53,252 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2020-10-24 15:02:53,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:02:53,276 INFO L93 Difference]: Finished difference Result 103 states and 163 transitions. [2020-10-24 15:02:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:02:53,277 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:02:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:02:53,288 INFO L225 Difference]: With dead ends: 103 [2020-10-24 15:02:53,288 INFO L226 Difference]: Without dead ends: 49 [2020-10-24 15:02:53,292 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 15:02:53,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-24 15:02:53,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-24 15:02:53,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-24 15:02:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2020-10-24 15:02:53,332 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 68 transitions. Word has length 10 [2020-10-24 15:02:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:02:53,333 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 68 transitions. [2020-10-24 15:02:53,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:02:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2020-10-24 15:02:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:02:53,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:02:53,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:02:53,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:02:53,335 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:02:53,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:02:53,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1657561708, now seen corresponding path program 1 times [2020-10-24 15:02:53,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:02:53,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176239706] [2020-10-24 15:02:53,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:02:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:02:53,471 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:02:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:02:53,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:02:53,620 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:02:53,620 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:02:53,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:02:53,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:02:53 BoogieIcfgContainer [2020-10-24 15:02:53,654 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:02:53,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:02:53,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:02:53,655 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:02:53,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:02:52" (3/4) ... [2020-10-24 15:02:53,659 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:02:53,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:02:53,662 INFO L168 Benchmark]: Toolchain (without parser) took 2117.07 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 24.3 MB in the beginning and 31.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:53,663 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 48.2 MB. Free memory was 25.5 MB in the beginning and 25.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:53,664 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.69 ms. Allocated memory is still 48.2 MB. Free memory was 23.7 MB in the beginning and 22.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:53,665 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.41 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.5 MB in the beginning and 44.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:53,666 INFO L168 Benchmark]: Boogie Preprocessor took 43.75 ms. Allocated memory is still 60.8 MB. Free memory was 44.2 MB in the beginning and 42.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:53,667 INFO L168 Benchmark]: RCFGBuilder took 896.65 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 27.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:53,667 INFO L168 Benchmark]: TraceAbstraction took 700.85 ms. Allocated memory is still 60.8 MB. Free memory was 26.6 MB in the beginning and 31.7 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:53,668 INFO L168 Benchmark]: Witness Printer took 4.52 ms. Allocated memory is still 60.8 MB. Free memory was 31.7 MB in the beginning and 31.3 MB in the end (delta: 342.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:53,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 48.2 MB. Free memory was 25.5 MB in the beginning and 25.5 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 386.69 ms. Allocated memory is still 48.2 MB. Free memory was 23.7 MB in the beginning and 22.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.41 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 22.5 MB in the beginning and 44.2 MB in the end (delta: -21.7 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.75 ms. Allocated memory is still 60.8 MB. Free memory was 44.2 MB in the beginning and 42.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 896.65 ms. Allocated memory is still 60.8 MB. Free memory was 42.3 MB in the beginning and 27.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 700.85 ms. Allocated memory is still 60.8 MB. Free memory was 26.6 MB in the beginning and 31.7 MB in the end (delta: -5.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.52 ms. Allocated memory is still 60.8 MB. Free memory was 31.7 MB in the beginning and 31.3 MB in the end (delta: 342.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticDOUBLE_SMToperation at line 38, overapproximation of bitwiseOr at line 144, overapproximation of bitwiseAnd at line 143. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L157] double x = 1.0 / 0.0; [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] ieee_double_shape_type ew_u; [L32] ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] (ix1) = ew_u.parts.lsw [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L158] double res = __ieee754_sqrt(x); [L136] __int32_t hx, lx; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L138] ieee_double_shape_type ew_u; [L139] ew_u.value = (x) [L140] EXPR ew_u.parts.msw [L140] (hx) = ew_u.parts.msw [L141] EXPR ew_u.parts.lsw [L141] (lx) = ew_u.parts.lsw [L143] hx &= 0x7fffffff [L144] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L145] hx = 0x7ff00000 - hx [L146] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L161] COND TRUE !isinf_double(res) [L3] __assert_fail("0", "double_req_bl_0730a.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 71 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=53occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 15:02:56,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:02:56,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:02:56,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:02:56,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:02:56,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:02:56,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:02:56,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:02:56,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:02:56,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:02:56,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:02:56,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:02:56,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:02:56,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:02:56,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:02:56,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:02:56,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:02:56,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:02:56,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:02:56,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:02:56,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:02:56,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:02:56,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:02:56,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:02:56,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:02:56,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:02:56,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:02:56,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:02:56,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:02:56,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:02:56,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:02:56,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:02:56,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:02:56,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:02:56,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:02:56,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:02:56,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:02:56,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:02:56,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:02:56,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:02:56,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:02:56,302 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 15:02:56,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:02:56,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:02:56,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:02:56,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:02:56,333 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:02:56,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:02:56,333 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:02:56,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:02:56,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:02:56,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:02:56,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:02:56,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:02:56,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:02:56,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:02:56,335 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:02:56,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:02:56,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:02:56,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:02:56,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:02:56,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:02:56,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:02:56,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:02:56,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:02:56,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:02:56,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:02:56,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:02:56,338 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:02:56,339 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:02:56,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:02:56,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:02:56,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:02:56,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9e4c7f8995223bc7932e148ca032e092f66eb9 [2020-10-24 15:02:56,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:02:56,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:02:56,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:02:56,767 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:02:56,768 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:02:56,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2020-10-24 15:02:56,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c4de950/1403248b57404750944e43b51cc9c614/FLAG507aea863 [2020-10-24 15:02:57,427 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:02:57,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0730a.c [2020-10-24 15:02:57,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c4de950/1403248b57404750944e43b51cc9c614/FLAG507aea863 [2020-10-24 15:02:57,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c4de950/1403248b57404750944e43b51cc9c614 [2020-10-24 15:02:57,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:02:57,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:02:57,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:57,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:02:57,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:02:57,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:57" (1/1) ... [2020-10-24 15:02:57,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78eab18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:57, skipping insertion in model container [2020-10-24 15:02:57,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:02:57" (1/1) ... [2020-10-24 15:02:57,870 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:02:57,898 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:02:58,105 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:58,122 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:02:58,185 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:02:58,210 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:02:58,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:58 WrapperNode [2020-10-24 15:02:58,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:02:58,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:02:58,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:02:58,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:02:58,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:02:58" (1/1) ... [2020-10-24 15:02:58,233 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:02:58,235 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:02:58,241 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:02:58,241 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:02:58,243 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 15:02:58,248 INFO L168 Benchmark]: Toolchain (without parser) took 443.58 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.8 MB in the beginning and 38.8 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:58,249 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 44.0 MB. Free memory is still 21.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:02:58,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.75 ms. Allocated memory is still 54.5 MB. Free memory was 39.7 MB in the beginning and 26.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:58,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.79 ms. Allocated memory is still 54.5 MB. Free memory was 26.1 MB in the beginning and 39.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 5.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:02:58,253 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 44.0 MB. Free memory is still 21.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.75 ms. Allocated memory is still 54.5 MB. Free memory was 39.7 MB in the beginning and 26.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.79 ms. Allocated memory is still 54.5 MB. Free memory was 26.1 MB in the beginning and 39.0 MB in the end (delta: -12.9 MB). Peak memory consumption was 5.0 MB. 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~nondet8 which is not a global variable - 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~nondet8 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...