./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/float-newlib/double_req_bl_1032b.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:58:30,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:58:30,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:58:30,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:58:30,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:58:30,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:58:30,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:58:30,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:58:30,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:58:30,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:58:30,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:58:30,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:58:30,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:58:30,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:58:30,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:58:30,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:58:30,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:58:30,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:58:30,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:58:30,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:58:30,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:58:30,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:58:30,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:58:30,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:58:30,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:58:30,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:58:30,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:58:30,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:58:30,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:58:30,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:58:30,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:58:30,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:58:30,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:58:30,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:58:30,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:58:30,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:58:30,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:58:30,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:58:30,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:58:30,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:58:30,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:58:30,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 11:58:30,669 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:58:30,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:58:30,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:58:30,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:58:30,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:58:30,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:58:30,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:58:30,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:58:30,672 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:58:30,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:58:30,673 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:58:30,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 11:58:30,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:58:30,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:58:30,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:58:30,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:58:30,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:58:30,674 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:58:30,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:58:30,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:58:30,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:58:30,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:58:30,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:58:30,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:58:30,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:30,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:58:30,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:58:30,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:58:30,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 11:58:30,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 11:58:30,676 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:58:30,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:58:30,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:58:30,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:58:30,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 [2021-12-21 11:58:30,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:58:30,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:58:30,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:58:30,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:58:30,906 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:58:30,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-21 11:58:30,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85fc828c/c929a0e6a8834b519f288b8c164570c3/FLAG112988743 [2021-12-21 11:58:31,272 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:58:31,273 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-21 11:58:31,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85fc828c/c929a0e6a8834b519f288b8c164570c3/FLAG112988743 [2021-12-21 11:58:31,729 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85fc828c/c929a0e6a8834b519f288b8c164570c3 [2021-12-21 11:58:31,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:58:31,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:58:31,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:31,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:58:31,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:58:31,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:31,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503f3ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31, skipping insertion in model container [2021-12-21 11:58:31,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:31,747 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:58:31,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:58:31,905 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/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-21 11:58:31,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:31,913 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:58:31,948 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/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-21 11:58:31,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:31,963 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:58:31,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31 WrapperNode [2021-12-21 11:58:31,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:31,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:31,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:58:31,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:58:31,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:31,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:31,995 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2021-12-21 11:58:31,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:31,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:58:31,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:58:31,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:58:32,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:58:32,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:58:32,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:58:32,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:58:32,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (1/1) ... [2021-12-21 11:58:32,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:32,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:58:32,048 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) [2021-12-21 11:58:32,053 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 [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:58:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 11:58:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:58:32,123 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:58:32,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:58:32,285 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:58:32,293 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:58:32,293 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-21 11:58:32,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:58:32 BoogieIcfgContainer [2021-12-21 11:58:32,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:58:32,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:58:32,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:58:32,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:58:32,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:58:31" (1/3) ... [2021-12-21 11:58:32,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e47690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:58:32, skipping insertion in model container [2021-12-21 11:58:32,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:31" (2/3) ... [2021-12-21 11:58:32,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e47690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:58:32, skipping insertion in model container [2021-12-21 11:58:32,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:58:32" (3/3) ... [2021-12-21 11:58:32,301 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1032b.c [2021-12-21 11:58:32,305 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:58:32,305 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:58:32,364 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:58:32,369 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 11:58:32,369 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:58:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-21 11:58:32,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:58:32,396 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:58:32,397 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:58:32,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:58:32,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2068179301, now seen corresponding path program 1 times [2021-12-21 11:58:32,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:58:32,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947274405] [2021-12-21 11:58:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:58:32,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:58:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:58:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:58:32,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:58:32,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947274405] [2021-12-21 11:58:32,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947274405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:58:32,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:58:32,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:58:32,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100854932] [2021-12-21 11:58:32,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:58:32,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 11:58:32,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:58:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 11:58:32,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:58:32,585 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6071428571428572) internal successors, (45), 29 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:32,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:58:32,597 INFO L93 Difference]: Finished difference Result 58 states and 88 transitions. [2021-12-21 11:58:32,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 11:58:32,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-12-21 11:58:32,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:58:32,605 INFO L225 Difference]: With dead ends: 58 [2021-12-21 11:58:32,606 INFO L226 Difference]: Without dead ends: 27 [2021-12-21 11:58:32,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:58:32,616 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:58:32,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 11:58:32,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-12-21 11:58:32,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-12-21 11:58:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2021-12-21 11:58:32,638 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 35 transitions. Word has length 11 [2021-12-21 11:58:32,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:58:32,639 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 35 transitions. [2021-12-21 11:58:32,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-12-21 11:58:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 11:58:32,640 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:58:32,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:58:32,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 11:58:32,640 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:58:32,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:58:32,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1606867070, now seen corresponding path program 1 times [2021-12-21 11:58:32,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:58:32,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926202809] [2021-12-21 11:58:32,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:58:32,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:58:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:58:32,674 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 11:58:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:58:32,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 11:58:32,713 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 11:58:32,714 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:58:32,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 11:58:32,719 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 11:58:32,721 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:58:32,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:58:32 BoogieIcfgContainer [2021-12-21 11:58:32,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:58:32,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:58:32,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:58:32,741 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:58:32,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:58:32" (3/4) ... [2021-12-21 11:58:32,743 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 11:58:32,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:58:32,744 INFO L158 Benchmark]: Toolchain (without parser) took 1009.52ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 55.6MB in the beginning and 78.2MB in the end (delta: -22.5MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-12-21 11:58:32,744 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:32,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.82ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 63.3MB in the end (delta: -7.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-21 11:58:32,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.95ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 61.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:32,745 INFO L158 Benchmark]: Boogie Preprocessor took 29.05ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:32,745 INFO L158 Benchmark]: RCFGBuilder took 269.03ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 47.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 11:58:32,746 INFO L158 Benchmark]: TraceAbstraction took 444.08ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 47.2MB in the beginning and 78.7MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:32,746 INFO L158 Benchmark]: Witness Printer took 2.81ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 78.2MB in the end (delta: 565.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:32,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 45.2MB in the beginning and 45.2MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.82ms. Allocated memory is still 88.1MB. Free memory was 55.3MB in the beginning and 63.3MB in the end (delta: -7.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.95ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 61.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.05ms. Allocated memory is still 88.1MB. Free memory was 61.5MB in the beginning and 60.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.03ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 47.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 444.08ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 47.2MB in the beginning and 78.7MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.81ms. Allocated memory is still 113.2MB. Free memory was 78.7MB in the beginning and 78.2MB in the end (delta: 565.4kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 93]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 36, overapproximation of someUnaryDOUBLEoperation at line 88, overapproximation of bitwiseAnd at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L88] double x = -0.0; [L89] CALL, EXPR round_double(x) [L20] __int32_t msw, exponent_less_1023; [L21] __uint32_t lsw; VAL [\old(x)=4294967296, x=4294967296] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L29] COND TRUE exponent_less_1023 < 20 VAL [\old(x)=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L30] COND FALSE !(exponent_less_1023 < 0) [L36] __uint32_t exponent_mask = 0x000fffff >> exponent_less_1023; VAL [\old(x)=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L37] COND TRUE (msw & exponent_mask) == 0 && lsw == 0 [L38] return x; VAL [\old(x)=4294967296, \result=4294967296, exponent_less_1023=0, lsw=0, msw=-1, x=4294967296] [L89] RET, EXPR round_double(x) [L89] double res = round_double(x); [L92] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967296, res == -0.0 && __signbit_double(res) == 1=0, x=4294967296] [L92] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L93] reach_error() VAL [res=4294967296, x=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-21 11:58:32,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/float-newlib/double_req_bl_1032b.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:58:34,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:58:34,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:58:34,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:58:34,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:58:34,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:58:34,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:58:34,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:58:34,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:58:34,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:58:34,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:58:34,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:58:34,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:58:34,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:58:34,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:58:34,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:58:34,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:58:34,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:58:34,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:58:34,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:58:34,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:58:34,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:58:34,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:58:34,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:58:34,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:58:34,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:58:34,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:58:34,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:58:34,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:58:34,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:58:34,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:58:34,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:58:34,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:58:34,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:58:34,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:58:34,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:58:34,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:58:34,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:58:34,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:58:34,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:58:34,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:58:34,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 11:58:34,504 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:58:34,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:58:34,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:58:34,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:58:34,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:58:34,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:58:34,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:58:34,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:58:34,509 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:58:34,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:58:34,510 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:58:34,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:58:34,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:58:34,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:58:34,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:58:34,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:58:34,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:58:34,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:58:34,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:58:34,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:58:34,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:34,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:58:34,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:58:34,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:58:34,513 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 11:58:34,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 11:58:34,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:58:34,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:58:34,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:58:34,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:58:34,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 11:58:34,514 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bd2dc63bd4c1053d566560c0f66613385a5c020fbf5a5055f1c4bb27faaeed8 [2021-12-21 11:58:34,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:58:34,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:58:34,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:58:34,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:58:34,835 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:58:34,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-21 11:58:34,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257e04a5f/997ec8123d3c4fc6bd63c192898b461c/FLAG18372a6b4 [2021-12-21 11:58:35,283 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:58:35,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1032b.c [2021-12-21 11:58:35,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257e04a5f/997ec8123d3c4fc6bd63c192898b461c/FLAG18372a6b4 [2021-12-21 11:58:35,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257e04a5f/997ec8123d3c4fc6bd63c192898b461c [2021-12-21 11:58:35,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:58:35,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:58:35,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:35,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:58:35,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:58:35,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4498f0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35, skipping insertion in model container [2021-12-21 11:58:35,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:58:35,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:58:35,506 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/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-21 11:58:35,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:35,528 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:58:35,565 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/float-newlib/double_req_bl_1032b.c[2284,2297] [2021-12-21 11:58:35,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:35,583 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:58:35,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35 WrapperNode [2021-12-21 11:58:35,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:35,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:35,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:58:35,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:58:35,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,626 INFO L137 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2021-12-21 11:58:35,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:35,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:58:35,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:58:35,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:58:35,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:58:35,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:58:35,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:58:35,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:58:35,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:35" (1/1) ... [2021-12-21 11:58:35,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:35,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:58:35,710 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) [2021-12-21 11:58:35,729 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 [2021-12-21 11:58:35,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:58:35,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 11:58:35,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:58:35,794 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:58:35,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:58:35,952 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 11:58:35,956 INFO L158 Benchmark]: Toolchain (without parser) took 645.45ms. Allocated memory is still 69.2MB. Free memory was 52.4MB in the beginning and 35.2MB in the end (delta: 17.3MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-12-21 11:58:35,956 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:35,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.47ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 50.9MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 11:58:35,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.57ms. Allocated memory is still 69.2MB. Free memory was 50.9MB in the beginning and 49.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:35,957 INFO L158 Benchmark]: Boogie Preprocessor took 47.40ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 47.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:35,958 INFO L158 Benchmark]: RCFGBuilder took 278.25ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 35.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 11:58:35,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.47ms. Allocated memory is still 69.2MB. Free memory was 52.2MB in the beginning and 50.9MB in the end (delta: 1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.57ms. Allocated memory is still 69.2MB. Free memory was 50.9MB in the beginning and 49.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.40ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 47.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.25ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 35.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 11:58:35,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl