./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1121b.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/float_req_bl_1121b.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 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:03:47,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:03:47,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:03:47,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:03:47,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:03:47,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:03:47,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:03:47,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:03:47,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:03:47,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:03:47,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:03:47,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:03:47,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:03:47,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:03:48,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:03:48,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:03:48,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:03:48,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:03:48,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:03:48,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:03:48,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:03:48,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:03:48,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:03:48,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:03:48,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:03:48,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:03:48,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:03:48,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:03:48,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:03:48,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:03:48,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:03:48,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:03:48,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:03:48,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:03:48,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:03:48,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:03:48,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:03:48,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:03:48,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:03:48,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:03:48,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:03:48,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:03:48,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:03:48,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:03:48,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:03:48,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:03:48,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:03:48,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:03:48,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:03:48,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:03:48,064 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:03:48,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:03:48,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:03:48,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:03:48,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:03:48,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:03:48,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:03:48,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:03:48,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:03:48,066 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:03:48,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:03:48,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:03:48,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:03:48,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:03:48,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:03:48,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:03:48,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:48,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:03:48,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:03:48,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:03:48,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:03:48,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:03:48,069 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:03:48,069 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:03:48,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:03:48,069 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:03:48,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e [2021-12-21 12:03:48,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:03:48,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:03:48,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:03:48,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:03:48,332 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:03:48,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2021-12-21 12:03:48,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1eedb8c/3baf176ecb3c4a29bb086f477e210521/FLAG15638f423 [2021-12-21 12:03:48,909 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:03:48,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2021-12-21 12:03:48,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1eedb8c/3baf176ecb3c4a29bb086f477e210521/FLAG15638f423 [2021-12-21 12:03:49,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f1eedb8c/3baf176ecb3c4a29bb086f477e210521 [2021-12-21 12:03:49,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:03:49,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:03:49,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:49,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:03:49,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:03:49,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2581cf79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49, skipping insertion in model container [2021-12-21 12:03:49,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:03:49,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:03:49,611 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/float_req_bl_1121b.c[2700,2713] [2021-12-21 12:03:49,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:49,621 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:03:49,660 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/float_req_bl_1121b.c[2700,2713] [2021-12-21 12:03:49,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:49,678 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:03:49,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49 WrapperNode [2021-12-21 12:03:49,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:49,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:49,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:03:49,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:03:49,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,735 INFO L137 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2021-12-21 12:03:49,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:49,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:03:49,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:03:49,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:03:49,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:03:49,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:03:49,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:03:49,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:03:49,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:03:49,825 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 12:03:49,850 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 12:03:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:03:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:03:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:03:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:03:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 12:03:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 12:03:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:03:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:03:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:03:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-21 12:03:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:03:49,970 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:03:49,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:03:50,235 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:03:50,241 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:03:50,241 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-12-21 12:03:50,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:50 BoogieIcfgContainer [2021-12-21 12:03:50,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:03:50,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:03:50,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:03:50,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:03:50,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:03:49" (1/3) ... [2021-12-21 12:03:50,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e325d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:03:50, skipping insertion in model container [2021-12-21 12:03:50,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49" (2/3) ... [2021-12-21 12:03:50,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e325d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:03:50, skipping insertion in model container [2021-12-21 12:03:50,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:50" (3/3) ... [2021-12-21 12:03:50,250 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121b.c [2021-12-21 12:03:50,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:03:50,257 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:03:50,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:03:50,303 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 12:03:50,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:03:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 12:03:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 12:03:50,325 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:03:50,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:03:50,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:03:50,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:03:50,333 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2021-12-21 12:03:50,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:03:50,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848800244] [2021-12-21 12:03:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:03:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:03:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:03:50,451 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 12:03:50,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:03:50,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848800244] [2021-12-21 12:03:50,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848800244] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:03:50,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:03:50,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:03:50,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629196690] [2021-12-21 12:03:50,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:03:50,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:03:50,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:03:50,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:03:50,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:03:50,483 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12:03:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:03:50,498 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2021-12-21 12:03:50,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:03:50,501 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-21 12:03:50,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:03:50,508 INFO L225 Difference]: With dead ends: 82 [2021-12-21 12:03:50,508 INFO L226 Difference]: Without dead ends: 39 [2021-12-21 12:03:50,512 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 12:03:50,516 INFO L933 BasicCegarLoop]: 57 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, 57 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 12:03:50,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:03:50,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-12-21 12:03:50,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-12-21 12:03:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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 12:03:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-12-21 12:03:50,549 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2021-12-21 12:03:50,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:03:50,550 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-12-21 12:03:50,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 12:03:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-12-21 12:03:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 12:03:50,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:03:50,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:03:50,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:03:50,552 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:03:50,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:03:50,553 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2021-12-21 12:03:50,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:03:50,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35567373] [2021-12-21 12:03:50,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:03:50,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:03:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:03:50,616 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 12:03:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:03:50,670 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 12:03:50,670 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 12:03:50,672 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:03:50,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:03:50,677 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 12:03:50,679 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:03:50,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:03:50 BoogieIcfgContainer [2021-12-21 12:03:50,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:03:50,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:03:50,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:03:50,703 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:03:50,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:50" (3/4) ... [2021-12-21 12:03:50,706 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 12:03:50,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:03:50,707 INFO L158 Benchmark]: Toolchain (without parser) took 1325.75ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 65.4MB in the beginning and 73.8MB in the end (delta: -8.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2021-12-21 12:03:50,707 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:50,708 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.88ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 70.9MB in the end (delta: -5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 12:03:50,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.75ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:50,709 INFO L158 Benchmark]: Boogie Preprocessor took 55.45ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 67.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:50,709 INFO L158 Benchmark]: RCFGBuilder took 449.47ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 52.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 12:03:50,710 INFO L158 Benchmark]: TraceAbstraction took 457.48ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 52.4MB in the beginning and 74.3MB in the end (delta: -22.0MB). Peak memory consumption was 446.0kB. Max. memory is 16.1GB. [2021-12-21 12:03:50,710 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 73.8MB in the end (delta: 534.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:50,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 55.4MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.88ms. Allocated memory is still 96.5MB. Free memory was 65.2MB in the beginning and 70.9MB in the end (delta: -5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.75ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.45ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 67.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.47ms. Allocated memory is still 96.5MB. Free memory was 67.4MB in the beginning and 52.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 457.48ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 52.4MB in the beginning and 74.3MB in the end (delta: -22.0MB). Peak memory consumption was 446.0kB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 73.8MB in the end (delta: 534.4kB). Peak memory consumption was 2.1MB. 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: 124]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someUnaryFLOAToperation at line 119, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = -0.0f; [L120] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=8589934593, \old(y)=8589934591, one_fmod=1, x=8589934593, y=8589934591, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=8589934593, \old(y)=8589934591, one_fmod=1, sx=-1, x=8589934593, y=8589934591, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=8589934593, \old(y)=8589934591, hx=2139095040, hy=2139095041, one_fmod=1, sx=-1, x=8589934593, y=8589934591, Zero_fmod={4:0}] [L120] RET, EXPR fmod_float(x, y) [L120] float res = fmod_float(x, y); [L123] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\old(x)=8589934592, \result=0, one_fmod=1, x=8589934592, Zero_fmod={4:0}] [L123] RET, EXPR isnan_float(res) [L123] COND TRUE !isnan_float(res) [L124] reach_error() VAL [one_fmod=1, res=8589934592, x=8589934593, y=8589934591, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 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, 57 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, 57 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=42occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 12:03:50,753 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/float_req_bl_1121b.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 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:03:52,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:03:52,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:03:52,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:03:52,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:03:52,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:03:52,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:03:52,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:03:52,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:03:52,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:03:52,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:03:52,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:03:52,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:03:52,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:03:52,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:03:52,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:03:52,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:03:52,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:03:52,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:03:52,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:03:52,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:03:52,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:03:52,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:03:52,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:03:52,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:03:52,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:03:52,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:03:52,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:03:52,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:03:52,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:03:52,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:03:52,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:03:52,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:03:52,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:03:52,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:03:52,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:03:52,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:03:52,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:03:52,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:03:52,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:03:52,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:03:52,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 12:03:52,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:03:52,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:03:52,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:03:52,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:03:52,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:03:52,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:03:52,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:03:52,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:03:52,810 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:03:52,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:03:52,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:03:52,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:03:52,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:03:52,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:03:52,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:03:52,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:03:52,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 12:03:52,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 12:03:52,812 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 12:03:52,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:03:52,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:03:52,813 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:03:52,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:03:52,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:03:52,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:03:52,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:03:52,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:52,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:03:52,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:03:52,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:03:52,814 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 12:03:52,815 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 12:03:52,815 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:03:52,815 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:03:52,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:03:52,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:03:52,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 12:03:52,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c784491c1bbafa07f396e2da5c8acc0901ffa28fc7d85f1b184d422e9c5e0e [2021-12-21 12:03:53,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:03:53,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:03:53,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:03:53,175 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:03:53,177 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:03:53,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2021-12-21 12:03:53,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08cbfdacc/147af03e95ca4361a1f53842c02c34d7/FLAG2dea7932f [2021-12-21 12:03:53,635 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:03:53,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121b.c [2021-12-21 12:03:53,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08cbfdacc/147af03e95ca4361a1f53842c02c34d7/FLAG2dea7932f [2021-12-21 12:03:53,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08cbfdacc/147af03e95ca4361a1f53842c02c34d7 [2021-12-21 12:03:53,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:03:53,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:03:53,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:53,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:03:53,668 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:03:53,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49589d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53, skipping insertion in model container [2021-12-21 12:03:53,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:03:53,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:03:53,896 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/float_req_bl_1121b.c[2700,2713] [2021-12-21 12:03:53,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:53,958 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:03:54,014 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/float_req_bl_1121b.c[2700,2713] [2021-12-21 12:03:54,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:54,036 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:03:54,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54 WrapperNode [2021-12-21 12:03:54,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:54,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:54,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:03:54,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:03:54,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,098 INFO L137 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2021-12-21 12:03:54,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:54,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:03:54,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:03:54,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:03:54,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:03:54,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:03:54,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:03:54,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:03:54,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:54,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:03:54,206 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 12:03:54,233 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 12:03:54,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:03:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-21 12:03:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 12:03:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:03:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-21 12:03:54,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 12:03:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:03:54,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:03:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-21 12:03:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 12:03:54,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:03:54,331 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:03:54,333 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:03:54,463 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 12:03:54,468 INFO L158 Benchmark]: Toolchain (without parser) took 803.60ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 57.4MB in the end (delta: -17.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-12-21 12:03:54,469 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:54,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.60ms. Allocated memory is still 60.8MB. Free memory was 39.6MB in the beginning and 42.5MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 12:03:54,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.63ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 40.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:54,472 INFO L158 Benchmark]: Boogie Preprocessor took 63.79ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 38.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:54,473 INFO L158 Benchmark]: RCFGBuilder took 302.41ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 57.4MB in the end (delta: -19.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-12-21 12:03:54,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.60ms. Allocated memory is still 60.8MB. Free memory was 39.6MB in the beginning and 42.5MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.63ms. Allocated memory is still 60.8MB. Free memory was 42.3MB in the beginning and 40.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.79ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 38.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.41ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 57.4MB in the end (delta: -19.0MB). Peak memory consumption was 14.5MB. 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 12:03:54,516 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