./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/cast_union_tight.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c0005e6146056cc1de3f3f086fde77a54c02f63 ........................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/cast_union_tight.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c0005e6146056cc1de3f3f086fde77a54c02f63 ................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:22:22,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:22:22,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:22:22,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:22:22,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:22:22,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:22:22,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:22:22,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:22:22,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:22:22,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:22:22,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:22:22,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:22:22,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:22:22,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:22:22,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:22:22,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:22:22,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:22:22,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:22:22,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:22:22,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:22:22,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:22:22,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:22:22,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:22:22,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:22:22,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:22:22,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:22:22,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:22:22,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:22:22,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:22:22,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:22:22,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:22:22,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:22:22,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:22:22,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:22:22,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:22:22,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:22:22,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:22:22,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:22:22,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:22:22,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:22:22,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:22:22,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:22:22,980 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:22:22,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:22:22,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:22:22,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:22:22,985 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:22:22,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:22:22,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:22:22,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:22:22,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:22:22,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:22:22,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:22:22,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:22:22,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:22:22,987 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:22:22,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:22:22,987 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:22:22,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:22:22,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:22:22,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:22:22,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:22:22,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:22:22,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:22:22,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:22:22,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:22:22,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:22:22,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:22:22,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:22:22,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:22:22,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:22:22,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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(__VERIFIER_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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2020-07-28 17:22:23,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:22:23,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:22:23,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:22:23,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:22:23,355 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:22:23,356 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-07-28 17:22:23,418 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb2df26c/6cd674e7d73b4581af9d6cf4ff89d6e9/FLAG0085b931b [2020-07-28 17:22:23,833 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:22:23,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-07-28 17:22:23,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb2df26c/6cd674e7d73b4581af9d6cf4ff89d6e9/FLAG0085b931b [2020-07-28 17:22:24,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cb2df26c/6cd674e7d73b4581af9d6cf4ff89d6e9 [2020-07-28 17:22:24,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:22:24,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:22:24,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:22:24,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:22:24,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:22:24,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fcfdd91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24, skipping insertion in model container [2020-07-28 17:22:24,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:22:24,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:22:24,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:22:24,410 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:22:24,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:22:24,458 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:22:24,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24 WrapperNode [2020-07-28 17:22:24,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:22:24,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:22:24,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:22:24,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:22:24,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:22:24,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:22:24,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:22:24,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:22:24,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... [2020-07-28 17:22:24,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:22:24,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:22:24,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:22:24,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:22:24,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-28 17:22:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:22:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:22:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:22:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:22:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:22:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:22:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:22:24,952 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:22:24,952 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 17:22:24,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:22:24 BoogieIcfgContainer [2020-07-28 17:22:24,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:22:24,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:22:24,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:22:24,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:22:24,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:22:24" (1/3) ... [2020-07-28 17:22:24,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67568d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:22:24, skipping insertion in model container [2020-07-28 17:22:24,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:24" (2/3) ... [2020-07-28 17:22:24,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67568d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:22:24, skipping insertion in model container [2020-07-28 17:22:24,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:22:24" (3/3) ... [2020-07-28 17:22:24,967 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-07-28 17:22:24,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:22:24,987 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:22:25,003 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:22:25,040 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:22:25,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:22:25,040 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:22:25,041 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:22:25,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:22:25,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:22:25,042 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:22:25,042 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:22:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-07-28 17:22:25,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 17:22:25,069 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:22:25,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 17:22:25,071 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:22:25,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:22:25,078 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-07-28 17:22:25,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:22:25,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849123630] [2020-07-28 17:22:25,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:22:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:22:25,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:22:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:22:25,254 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:22:25,283 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:22:25,284 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:22:25,284 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:22:25,314 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:22:25,315 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:22:25,315 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:22:25,315 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 17:22:25,316 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 17:22:25,316 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-28 17:22:25,316 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-28 17:22:25,317 WARN L170 areAnnotationChecker]: L7-3 has no Hoare annotation [2020-07-28 17:22:25,317 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-28 17:22:25,317 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:22:25,317 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:22:25,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:22:25 BoogieIcfgContainer [2020-07-28 17:22:25,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:22:25,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:22:25,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:22:25,322 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:22:25,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:22:24" (3/4) ... [2020-07-28 17:22:25,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:22:25,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:22:25,335 INFO L168 Benchmark]: Toolchain (without parser) took 1148.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -132.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:25,336 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:25,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.86 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:25,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:25,339 INFO L168 Benchmark]: Boogie Preprocessor took 25.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:25,340 INFO L168 Benchmark]: RCFGBuilder took 358.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:25,341 INFO L168 Benchmark]: TraceAbstraction took 363.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:25,342 INFO L168 Benchmark]: Witness Printer took 9.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:25,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.86 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 358.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 363.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 9.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 7]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 32, overapproximation of someBinaryArithmeticDOUBLEoperation at line 21, overapproximation of bitwiseXor at line 20. Possible FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L16] union u x, y; [L17] x.i[0] = 0x43300000 [L18] EXPR x.i[0] [L18] y.i[0] = x.i[0] [L19] x.i[1] = 0x80000000 [L20] EXPR x.i[1] [L20] y.i[1] = i ^ x.i[1] [L21] EXPR y.d [L21] EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] return y.d - x.d; [L31] r = cast(a) [L7] COND TRUE !(cond) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:22:27,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:22:27,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:22:27,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:22:27,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:22:27,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:22:27,463 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:22:27,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:22:27,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:22:27,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:22:27,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:22:27,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:22:27,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:22:27,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:22:27,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:22:27,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:22:27,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:22:27,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:22:27,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:22:27,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:22:27,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:22:27,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:22:27,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:22:27,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:22:27,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:22:27,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:22:27,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:22:27,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:22:27,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:22:27,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:22:27,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:22:27,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:22:27,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:22:27,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:22:27,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:22:27,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:22:27,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:22:27,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:22:27,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:22:27,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:22:27,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:22:27,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:22:27,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:22:27,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:22:27,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:22:27,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:22:27,536 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:22:27,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:22:27,537 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:22:27,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:22:27,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:22:27,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:22:27,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:22:27,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:22:27,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:22:27,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:22:27,539 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:22:27,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:22:27,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:22:27,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:22:27,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:22:27,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:22:27,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:22:27,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:22:27,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:22:27,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:22:27,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:22:27,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:22:27,543 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:22:27,543 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:22:27,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:22:27,544 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:22:27,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:22:27,544 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/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(__VERIFIER_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 -> 6c0005e6146056cc1de3f3f086fde77a54c02f63 [2020-07-28 17:22:27,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:22:27,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:22:27,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:22:27,886 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:22:27,887 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:22:27,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-07-28 17:22:27,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f8f46792/88af5d40642f47fdaa9bd52cf5d16cc4/FLAG08bbe9003 [2020-07-28 17:22:28,387 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:22:28,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_union_tight.c [2020-07-28 17:22:28,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f8f46792/88af5d40642f47fdaa9bd52cf5d16cc4/FLAG08bbe9003 [2020-07-28 17:22:28,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f8f46792/88af5d40642f47fdaa9bd52cf5d16cc4 [2020-07-28 17:22:28,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:22:28,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:22:28,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:22:28,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:22:28,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:22:28,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:22:28" (1/1) ... [2020-07-28 17:22:28,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1baa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:28, skipping insertion in model container [2020-07-28 17:22:28,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:22:28" (1/1) ... [2020-07-28 17:22:28,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:22:28,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:22:29,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:22:29,025 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:22:29,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:22:29,143 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:22:29,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29 WrapperNode [2020-07-28 17:22:29,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:22:29,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:22:29,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:22:29,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:22:29,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:22:29,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:22:29,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:22:29,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:22:29,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... [2020-07-28 17:22:29,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:22:29,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:22:29,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:22:29,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:22:29,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-28 17:22:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-07-28 17:22:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:22:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:22:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:22:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:22:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:22:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:22:29,889 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:22:29,890 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-28 17:22:29,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:22:29 BoogieIcfgContainer [2020-07-28 17:22:29,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:22:29,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:22:29,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:22:29,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:22:29,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:22:28" (1/3) ... [2020-07-28 17:22:29,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1c2d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:22:29, skipping insertion in model container [2020-07-28 17:22:29,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:22:29" (2/3) ... [2020-07-28 17:22:29,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a1c2d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:22:29, skipping insertion in model container [2020-07-28 17:22:29,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:22:29" (3/3) ... [2020-07-28 17:22:29,922 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-07-28 17:22:29,960 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:22:29,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:22:30,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:22:30,048 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:22:30,048 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:22:30,048 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:22:30,049 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:22:30,049 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:22:30,049 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:22:30,049 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:22:30,049 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:22:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-07-28 17:22:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 17:22:30,067 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:22:30,068 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 17:22:30,068 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:22:30,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:22:30,074 INFO L82 PathProgramCache]: Analyzing trace with hash 28692803, now seen corresponding path program 1 times [2020-07-28 17:22:30,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:22:30,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480717130] [2020-07-28 17:22:30,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:22:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:22:30,288 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:22:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:22:30,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:22:30,463 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-28 17:22:30,464 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:22:30,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:22:30,701 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:22:30,701 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:22:30,702 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 17:22:30,702 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 17:22:30,702 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 17:22:30,702 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-28 17:22:30,702 WARN L170 areAnnotationChecker]: L7-1 has no Hoare annotation [2020-07-28 17:22:30,702 WARN L170 areAnnotationChecker]: L7-3 has no Hoare annotation [2020-07-28 17:22:30,703 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-28 17:22:30,703 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:22:30,703 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:22:30,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:22:30 BoogieIcfgContainer [2020-07-28 17:22:30,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:22:30,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:22:30,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:22:30,707 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:22:30,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:22:29" (3/4) ... [2020-07-28 17:22:30,712 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 17:22:30,769 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:22:30,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:22:30,774 INFO L168 Benchmark]: Toolchain (without parser) took 1975.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -119.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:30,774 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:30,775 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:30,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:30,777 INFO L168 Benchmark]: Boogie Preprocessor took 28.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:30,777 INFO L168 Benchmark]: RCFGBuilder took 665.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:30,778 INFO L168 Benchmark]: TraceAbstraction took 806.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:22:30,778 INFO L168 Benchmark]: Witness Printer took 62.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:22:30,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -172.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 665.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 806.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L26] int a; [L27] double r; [L29] a = __VERIFIER_nondet_int() [L16] union u x, y; [L17] x.i[0] = 0x43300000 [L18] EXPR x.i[0] [L18] y.i[0] = x.i[0] [L19] x.i[1] = 0x80000000 [L20] EXPR x.i[1] [L20] y.i[1] = i ^ x.i[1] [L21] EXPR y.d [L21] EXPR x.d [L21] return y.d - x.d; [L21] return y.d - x.d; [L21] return y.d - x.d; [L31] r = cast(a) [L7] COND TRUE !(cond) [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...