./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/floats-cbmc-regression/float22.i -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:31:41,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:31:41,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:31:41,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:31:41,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:31:41,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:31:41,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:31:41,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:31:41,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:31:41,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:31:41,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:31:41,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:31:41,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:31:41,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:31:41,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:31:41,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:31:41,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:31:41,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:31:41,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:31:41,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:31:41,628 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:31:41,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:31:41,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:31:41,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:31:41,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:31:41,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:31:41,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:31:41,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:31:41,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:31:41,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:31:41,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:31:41,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:31:41,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:31:41,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:31:41,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:31:41,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:31:41,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:31:41,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:31:41,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:31:41,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:31:41,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:31:41,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:31:41,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 13:31:41,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:31:41,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:31:41,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:31:41,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:31:41,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:31:41,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:31:41,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:31:41,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:31:41,673 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:31:41,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:31:41,674 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:31:41,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:31:41,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:31:41,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:31:41,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:31:41,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:31:41,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:31:41,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:31:41,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:31:41,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:31:41,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:31:41,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 13:31:41,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 13:31:41,678 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:31:41,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:31:41,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:31:41,678 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2022-07-19 13:31:41,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:31:41,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:31:41,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:31:41,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:31:41,895 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:31:41,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float22.i [2022-07-19 13:31:41,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1306e6e7c/3473764162be41b1b1ed34c77287c452/FLAG4510c516d [2022-07-19 13:31:42,331 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:31:42,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i [2022-07-19 13:31:42,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1306e6e7c/3473764162be41b1b1ed34c77287c452/FLAG4510c516d [2022-07-19 13:31:42,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1306e6e7c/3473764162be41b1b1ed34c77287c452 [2022-07-19 13:31:42,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:31:42,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:31:42,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:31:42,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:31:42,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:31:42,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6880a2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42, skipping insertion in model container [2022-07-19 13:31:42,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:31:42,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:31:42,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2022-07-19 13:31:42,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2022-07-19 13:31:42,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2022-07-19 13:31:42,532 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2022-07-19 13:31:42,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:31:42,541 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:31:42,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2022-07-19 13:31:42,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2022-07-19 13:31:42,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2022-07-19 13:31:42,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2022-07-19 13:31:42,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:31:42,596 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:31:42,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42 WrapperNode [2022-07-19 13:31:42,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:31:42,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:31:42,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:31:42,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:31:42,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,640 INFO L137 Inliner]: procedures = 21, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2022-07-19 13:31:42,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:31:42,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:31:42,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:31:42,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:31:42,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:31:42,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:31:42,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:31:42,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:31:42,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (1/1) ... [2022-07-19 13:31:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:31:42,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:31:42,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 13:31:42,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 13:31:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:31:42,741 INFO L130 BoogieDeclarations]: Found specification of procedure returnsStructure [2022-07-19 13:31:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsStructure [2022-07-19 13:31:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 13:31:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 13:31:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-19 13:31:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 13:31:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-19 13:31:42,742 INFO L130 BoogieDeclarations]: Found specification of procedure returnsField [2022-07-19 13:31:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure returnsField [2022-07-19 13:31:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:31:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:31:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 13:31:42,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 13:31:42,794 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:31:42,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:31:43,018 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:31:43,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:31:43,023 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:31:43,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:31:43 BoogieIcfgContainer [2022-07-19 13:31:43,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:31:43,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:31:43,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:31:43,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:31:43,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:31:42" (1/3) ... [2022-07-19 13:31:43,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63548aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:31:43, skipping insertion in model container [2022-07-19 13:31:43,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:31:42" (2/3) ... [2022-07-19 13:31:43,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63548aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:31:43, skipping insertion in model container [2022-07-19 13:31:43,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:31:43" (3/3) ... [2022-07-19 13:31:43,030 INFO L111 eAbstractionObserver]: Analyzing ICFG float22.i [2022-07-19 13:31:43,052 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:31:43,052 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-19 13:31:43,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:31:43,102 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ac317e8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@775a340e [2022-07-19 13:31:43,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-19 13:31:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-19 13:31:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-19 13:31:43,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:31:43,115 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 13:31:43,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-19 13:31:43,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:31:43,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1402952998, now seen corresponding path program 1 times [2022-07-19 13:31:43,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 13:31:43,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001839801] [2022-07-19 13:31:43,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:31:43,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 13:31:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:31:43,307 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 13:31:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:31:43,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 13:31:43,399 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 13:31:43,400 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-07-19 13:31:43,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-07-19 13:31:43,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-07-19 13:31:43,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-07-19 13:31:43,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 13:31:43,407 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-19 13:31:43,410 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:31:43,416 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,417 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,417 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,418 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,418 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,418 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,418 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,419 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,419 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,420 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,420 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,420 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,421 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,421 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,422 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,423 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:31:43 BoogieIcfgContainer [2022-07-19 13:31:43,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:31:43,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:31:43,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:31:43,440 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:31:43,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:31:43" (3/4) ... [2022-07-19 13:31:43,441 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 13:31:43,444 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,445 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,445 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,446 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,446 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,447 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,447 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,450 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,451 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,453 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,453 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,454 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,454 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,454 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,455 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent [2022-07-19 13:31:43,455 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,460 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative [2022-07-19 13:31:43,460 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled [2022-07-19 13:31:43,461 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa [2022-07-19 13:31:43,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,461 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled [2022-07-19 13:31:43,497 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 13:31:43,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:31:43,498 INFO L158 Benchmark]: Toolchain (without parser) took 1138.55ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 54.4MB in the beginning and 53.0MB in the end (delta: 1.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,498 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:31:43,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.69ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 42.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.73ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 40.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,499 INFO L158 Benchmark]: Boogie Preprocessor took 41.11ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,500 INFO L158 Benchmark]: RCFGBuilder took 341.03ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 39.1MB in the beginning and 80.8MB in the end (delta: -41.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,500 INFO L158 Benchmark]: TraceAbstraction took 412.44ms. Allocated memory is still 107.0MB. Free memory was 80.3MB in the beginning and 56.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,503 INFO L158 Benchmark]: Witness Printer took 57.57ms. Allocated memory is still 107.0MB. Free memory was 56.7MB in the beginning and 53.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 13:31:43,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.69ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 42.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.73ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 40.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.11ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.03ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 39.1MB in the beginning and 80.8MB in the end (delta: -41.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * TraceAbstraction took 412.44ms. Allocated memory is still 107.0MB. Free memory was 80.3MB in the beginning and 56.7MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 57.57ms. Allocated memory is still 107.0MB. Free memory was 56.7MB in the beginning and 53.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret6#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.exponent - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.negative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #res : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for Procedure implementation returnsStructure(#in~index : int) returns (#res : ~ieee754_float~0); and expression #res.ieee.mantissa - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList testOne_#t~ret7#1 : ~ieee754_float~0 not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 144]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L179] CALL testOne() [L139] ieee754_float f1, f2; VAL [f1={5:0}, f2={6:0}] [L141] CALL, EXPR returnsStructure(0) VAL [\old(index)=0] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; VAL [\old(index)=0, index=0, unknown-#res!f-unknown=57, unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=0] [L141] RET, EXPR returnsStructure(0) VAL [f1={5:0}, f2={6:0}, returnsStructure(0)=0returnsStructure(0)=57returnsStructure(0)=0returnsStructure(0)=0] [L141] f1 = returnsStructure(0) [L142] CALL, EXPR returnsStructure(1) VAL [\old(index)=1] [L128] ieee754_float c; [L130] c.ieee.negative = index & 0x1 [L131] c.ieee.exponent = 0 [L132] c.ieee.mantissa = 0 [L134] return c; [L134] return c; VAL [\old(index)=1, index=1, unknown-#res!f-unknown=59, unknown-#res.ieee.exponent-unknown=0, unknown-#res.ieee.mantissa-unknown=0, unknown-#res.ieee.negative-unknown=1] [L142] RET, EXPR returnsStructure(1) VAL [f1={5:0}, f2={6:0}, returnsStructure(1)=0returnsStructure(1)=0returnsStructure(1)=59returnsStructure(1)=1] [L142] f2 = returnsStructure(1) [L144] EXPR f1.ieee.negative [L144] EXPR f2.ieee.negative VAL [f1={5:0}, f1.ieee.negative=0, f2={6:0}, f2.ieee.negative=0] [L144] COND TRUE !(f1.ieee.negative != f2.ieee.negative) [L144] reach_error() VAL [f1={5:0}, f2={6:0}] - UnprovableResult [Line: 156]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 173]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 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, 14 NumberOfCodeBlocks, 14 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! [2022-07-19 13:31:43,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE