./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_1122b.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 fdbce805aa8b4a64f30ef9c8f5d71e1c7a99dc3654784a3c18b27b22409bd2e9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:03:41,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:03:41,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:03:41,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:03:41,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:03:41,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:03:41,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:03:41,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:03:41,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:03:41,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:03:41,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:03:41,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:03:41,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:03:41,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:03:41,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:03:41,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:03:41,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:03:41,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:03:41,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:03:41,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:03:41,425 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:03:41,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:03:41,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:03:41,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:03:41,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:03:41,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:03:41,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:03:41,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:03:41,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:03:41,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:03:41,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:03:41,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:03:41,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:03:41,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:03:41,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:03:41,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:03:41,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:03:41,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:03:41,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:03:41,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:03:41,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:03:41,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:03:41,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 03:03:41,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:03:41,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:03:41,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:03:41,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:03:41,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:03:41,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:03:41,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:03:41,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:03:41,479 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:03:41,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:03:41,480 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:03:41,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 03:03:41,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:03:41,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:03:41,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:03:41,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:03:41,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:03:41,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:03:41,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:41,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:03:41,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:03:41,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:03:41,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 03:03:41,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 03:03:41,483 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:03:41,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:03:41,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:03:41,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbce805aa8b4a64f30ef9c8f5d71e1c7a99dc3654784a3c18b27b22409bd2e9 [2022-07-12 03:03:41,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:03:41,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:03:41,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:03:41,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:03:41,703 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:03:41,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2022-07-12 03:03:41,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e626ba2b3/6956bb6db4734db896375aec5349a09e/FLAG97b983cd1 [2022-07-12 03:03:42,086 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:03:42,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2022-07-12 03:03:42,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e626ba2b3/6956bb6db4734db896375aec5349a09e/FLAG97b983cd1 [2022-07-12 03:03:42,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e626ba2b3/6956bb6db4734db896375aec5349a09e [2022-07-12 03:03:42,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:03:42,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:03:42,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:42,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:03:42,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:03:42,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4079fa2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42, skipping insertion in model container [2022-07-12 03:03:42,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:03:42,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:03:42,787 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_1122b.c[3907,3920] [2022-07-12 03:03:42,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:42,806 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:03:42,865 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_1122b.c[3907,3920] [2022-07-12 03:03:42,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:42,874 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:03:42,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42 WrapperNode [2022-07-12 03:03:42,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:42,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:42,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:03:42,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:03:42,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,940 INFO L137 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 306 [2022-07-12 03:03:42,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:42,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:03:42,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:03:42,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:03:42,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:42,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:43,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:03:43,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:03:43,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:03:43,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:03:43,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (1/1) ... [2022-07-12 03:03:43,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:43,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:03:43,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 03:03:43,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 03:03:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:03:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 03:03:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:03:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 03:03:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 03:03:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 03:03:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:03:43,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:03:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 03:03:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-12 03:03:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:03:43,183 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:03:43,185 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:03:43,535 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:03:43,540 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:03:43,541 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:03:43,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:43 BoogieIcfgContainer [2022-07-12 03:03:43,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:03:43,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:03:43,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:03:43,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:03:43,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:03:42" (1/3) ... [2022-07-12 03:03:43,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b973294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:43, skipping insertion in model container [2022-07-12 03:03:43,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:42" (2/3) ... [2022-07-12 03:03:43,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b973294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:43, skipping insertion in model container [2022-07-12 03:03:43,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:43" (3/3) ... [2022-07-12 03:03:43,548 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122b.c [2022-07-12 03:03:43,557 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:03:43,558 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:03:43,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:03:43,596 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@52bc4651, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@20b8cf9a [2022-07-12 03:03:43,596 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:03:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 85 states have (on average 1.8352941176470587) internal successors, (156), 86 states have internal predecessors, (156), 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) [2022-07-12 03:03:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 03:03:43,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:43,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:43,605 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:43,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:43,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1371056884, now seen corresponding path program 1 times [2022-07-12 03:03:43,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:43,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740595707] [2022-07-12 03:03:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:43,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:43,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:03:43,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740595707] [2022-07-12 03:03:43,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740595707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:43,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:43,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:03:43,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325285212] [2022-07-12 03:03:43,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:43,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:03:43,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:03:43,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:03:43,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:43,750 INFO L87 Difference]: Start difference. First operand has 87 states, 85 states have (on average 1.8352941176470587) internal successors, (156), 86 states have internal predecessors, (156), 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) [2022-07-12 03:03:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:43,780 INFO L93 Difference]: Finished difference Result 172 states and 310 transitions. [2022-07-12 03:03:43,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:03:43,782 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 [2022-07-12 03:03:43,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:43,791 INFO L225 Difference]: With dead ends: 172 [2022-07-12 03:03:43,791 INFO L226 Difference]: Without dead ends: 84 [2022-07-12 03:03:43,794 INFO L412 NwaCegarLoop]: 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 [2022-07-12 03:03:43,796 INFO L413 NwaCegarLoop]: 133 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, 133 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 [2022-07-12 03:03:43,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-07-12 03:03:43,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-07-12 03:03:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 83 states have internal predecessors, (130), 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) [2022-07-12 03:03:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 130 transitions. [2022-07-12 03:03:43,840 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 130 transitions. Word has length 11 [2022-07-12 03:03:43,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:43,841 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 130 transitions. [2022-07-12 03:03:43,841 INFO L496 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) [2022-07-12 03:03:43,841 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2022-07-12 03:03:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 03:03:43,841 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:43,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:43,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 03:03:43,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:43,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1952319703, now seen corresponding path program 1 times [2022-07-12 03:03:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:03:43,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111185151] [2022-07-12 03:03:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:03:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:03:43,943 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 03:03:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 03:03:44,017 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 03:03:44,017 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 03:03:44,018 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:03:44,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 03:03:44,021 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 03:03:44,023 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:03:44,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:03:44 BoogieIcfgContainer [2022-07-12 03:03:44,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:03:44,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:03:44,050 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:03:44,050 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:03:44,050 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:43" (3/4) ... [2022-07-12 03:03:44,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 03:03:44,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:03:44,053 INFO L158 Benchmark]: Toolchain (without parser) took 1535.81ms. Allocated memory is still 119.5MB. Free memory was 85.5MB in the beginning and 67.9MB in the end (delta: 17.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-07-12 03:03:44,054 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:44,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.42ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 91.6MB in the end (delta: -6.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-12 03:03:44,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.93ms. Allocated memory is still 119.5MB. Free memory was 91.6MB in the beginning and 87.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:03:44,060 INFO L158 Benchmark]: Boogie Preprocessor took 59.17ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 83.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:03:44,060 INFO L158 Benchmark]: RCFGBuilder took 541.02ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 53.1MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-07-12 03:03:44,061 INFO L158 Benchmark]: TraceAbstraction took 505.68ms. Allocated memory is still 119.5MB. Free memory was 52.4MB in the beginning and 68.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:44,062 INFO L158 Benchmark]: Witness Printer took 2.95ms. Allocated memory is still 119.5MB. Free memory was 68.6MB in the beginning and 67.9MB in the end (delta: 702.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:03:44,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.42ms. Allocated memory is still 119.5MB. Free memory was 85.3MB in the beginning and 91.6MB in the end (delta: -6.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.93ms. Allocated memory is still 119.5MB. Free memory was 91.6MB in the beginning and 87.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.17ms. Allocated memory is still 119.5MB. Free memory was 87.4MB in the beginning and 83.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 541.02ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 53.1MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 505.68ms. Allocated memory is still 119.5MB. Free memory was 52.4MB in the beginning and 68.6MB in the end (delta: -16.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.95ms. Allocated memory is still 119.5MB. Free memory was 68.6MB in the beginning and 67.9MB in the end (delta: 702.2kB). 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: 178]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXOr at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L172] double x = -1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L174] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [\old(x)=4294967307, \old(y)=4294967305, one_fmod=1, x=4294967307, y=4294967305, Zero_fmod={4:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 VAL [\old(x)=4294967307, \old(y)=4294967305, hx=0, hy=7, lx=4294967304, ly=-2, one_fmod=1, sx=0, x=4294967307, y=4294967305, Zero_fmod={4:0}] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [\old(x)=4294967307, \old(y)=4294967305, hx=0, hy=1, lx=4294967304, ly=-2, one_fmod=1, sx=0, x=4294967307, y=4294967305, Zero_fmod={4:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [\old(x)=4294967307, \old(y)=4294967305, hx=0, hy=1, lx=4294967304, ly=-2, one_fmod=1, sx=0, x=4294967307, y=4294967305, Zero_fmod={4:0}] [L174] RET, EXPR fmod_double(x, y) [L174] double res = fmod_double(x, y); [L177] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [\old(x)=4294967306, \result=0, one_fmod=1, x=4294967306, Zero_fmod={4:0}] [L177] RET, EXPR isnan_double(res) [L177] COND TRUE !isnan_double(res) [L178] reach_error() VAL [one_fmod=1, res=4294967306, x=4294967307, y=4294967305, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 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, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 133 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, 133 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=87occurred 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, 24 NumberOfCodeBlocks, 24 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 [2022-07-12 03:03:44,102 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_1122b.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 fdbce805aa8b4a64f30ef9c8f5d71e1c7a99dc3654784a3c18b27b22409bd2e9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:03:45,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:03:45,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:03:45,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:03:45,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:03:45,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:03:45,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:03:45,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:03:45,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:03:45,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:03:45,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:03:45,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:03:45,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:03:45,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:03:45,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:03:45,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:03:45,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:03:46,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:03:46,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:03:46,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:03:46,011 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:03:46,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:03:46,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:03:46,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:03:46,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:03:46,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:03:46,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:03:46,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:03:46,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:03:46,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:03:46,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:03:46,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:03:46,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:03:46,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:03:46,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:03:46,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:03:46,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:03:46,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:03:46,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:03:46,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:03:46,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:03:46,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:03:46,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 03:03:46,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:03:46,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:03:46,069 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:03:46,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:03:46,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:03:46,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:03:46,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:03:46,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:03:46,071 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:03:46,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:03:46,072 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:03:46,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:03:46,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:03:46,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:03:46,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:03:46,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:03:46,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 03:03:46,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 03:03:46,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 03:03:46,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:03:46,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:03:46,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:03:46,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:03:46,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:03:46,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:03:46,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:03:46,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:46,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:03:46,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:03:46,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:03:46,075 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 03:03:46,075 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 03:03:46,075 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:03:46,075 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:03:46,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:03:46,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 03:03:46,076 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbce805aa8b4a64f30ef9c8f5d71e1c7a99dc3654784a3c18b27b22409bd2e9 [2022-07-12 03:03:46,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:03:46,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:03:46,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:03:46,376 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:03:46,377 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:03:46,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2022-07-12 03:03:46,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c862d0e8/f920c366bb4b4cddbcc8efdac3ed0137/FLAGacbb14ab5 [2022-07-12 03:03:46,827 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:03:46,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122b.c [2022-07-12 03:03:46,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c862d0e8/f920c366bb4b4cddbcc8efdac3ed0137/FLAGacbb14ab5 [2022-07-12 03:03:47,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c862d0e8/f920c366bb4b4cddbcc8efdac3ed0137 [2022-07-12 03:03:47,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:03:47,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:03:47,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:47,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:03:47,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:03:47,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@416e96d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47, skipping insertion in model container [2022-07-12 03:03:47,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:03:47,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:03:47,480 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_1122b.c[3907,3920] [2022-07-12 03:03:47,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:47,500 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:03:47,546 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_1122b.c[3907,3920] [2022-07-12 03:03:47,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:03:47,573 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:03:47,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47 WrapperNode [2022-07-12 03:03:47,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:03:47,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:47,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:03:47,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:03:47,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,629 INFO L137 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 224 [2022-07-12 03:03:47,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:03:47,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:03:47,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:03:47,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:03:47,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:03:47,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:03:47,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:03:47,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:03:47,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (1/1) ... [2022-07-12 03:03:47,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:03:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:03:47,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 03:03:47,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 03:03:47,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:03:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:03:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 03:03:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:03:47,873 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:03:47,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:03:51,558 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:03:51,564 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:03:51,565 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2022-07-12 03:03:51,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:51 BoogieIcfgContainer [2022-07-12 03:03:51,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:03:51,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:03:51,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:03:51,571 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:03:51,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:03:47" (1/3) ... [2022-07-12 03:03:51,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba300d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:51, skipping insertion in model container [2022-07-12 03:03:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:03:47" (2/3) ... [2022-07-12 03:03:51,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba300d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:03:51, skipping insertion in model container [2022-07-12 03:03:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:51" (3/3) ... [2022-07-12 03:03:51,577 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122b.c [2022-07-12 03:03:51,588 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:03:51,588 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:03:51,642 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:03:51,647 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6be936ea, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@550ed282 [2022-07-12 03:03:51,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:03:51,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) [2022-07-12 03:03:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-12 03:03:51,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:51,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:51,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:51,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:51,662 INFO L85 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2022-07-12 03:03:51,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:51,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467122635] [2022-07-12 03:03:51,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:51,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:51,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:51,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:51,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 03:03:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:52,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 03:03:52,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:03:52,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:03:52,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:03:52,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:03:52,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467122635] [2022-07-12 03:03:52,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467122635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:03:52,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:03:52,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 03:03:52,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012837635] [2022-07-12 03:03:52,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:03:52,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 03:03:52,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:03:52,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 03:03:52,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:52,616 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) [2022-07-12 03:03:52,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:03:52,629 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2022-07-12 03:03:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 03:03:52,631 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 [2022-07-12 03:03:52,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:03:52,636 INFO L225 Difference]: With dead ends: 108 [2022-07-12 03:03:52,636 INFO L226 Difference]: Without dead ends: 52 [2022-07-12 03:03:52,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 03:03:52,643 INFO L413 NwaCegarLoop]: 81 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, 81 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 [2022-07-12 03:03:52,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:03:52,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-07-12 03:03:52,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-07-12 03:03:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 51 states have internal predecessors, (78), 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) [2022-07-12 03:03:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2022-07-12 03:03:52,666 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2022-07-12 03:03:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:03:52,666 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2022-07-12 03:03:52,667 INFO L496 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) [2022-07-12 03:03:52,667 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2022-07-12 03:03:52,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 03:03:52,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:03:52,668 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:03:52,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 03:03:52,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:03:52,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:03:52,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:03:52,882 INFO L85 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2022-07-12 03:03:52,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:03:52,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388496230] [2022-07-12 03:03:52,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:03:52,883 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:03:52,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:03:52,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:03:52,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 03:03:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:03:53,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 03:03:53,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:04:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:04:16,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:04:16,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:04:16,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388496230] [2022-07-12 03:04:16,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388496230] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:04:16,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:04:16,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 03:04:16,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336061187] [2022-07-12 03:04:16,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:04:16,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 03:04:16,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:04:16,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 03:04:16,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=29, Unknown=1, NotChecked=0, Total=42 [2022-07-12 03:04:16,139 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-07-12 03:04:19,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:22,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:24,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:26,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:28,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 03:04:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:04:28,228 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2022-07-12 03:04:28,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 03:04:28,277 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2022-07-12 03:04:28,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:04:28,277 INFO L225 Difference]: With dead ends: 62 [2022-07-12 03:04:28,277 INFO L226 Difference]: Without dead ends: 57 [2022-07-12 03:04:28,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2022-07-12 03:04:28,279 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 81 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 77 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:04:28,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 227 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 3 Unknown, 77 Unchecked, 11.0s Time] [2022-07-12 03:04:28,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-07-12 03:04:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2022-07-12 03:04:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 51 states have internal predecessors, (77), 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) [2022-07-12 03:04:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2022-07-12 03:04:28,288 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2022-07-12 03:04:28,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:04:28,288 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2022-07-12 03:04:28,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-07-12 03:04:28,292 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2022-07-12 03:04:28,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-07-12 03:04:28,292 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:04:28,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:04:28,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 03:04:28,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:04:28,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:04:28,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:04:28,494 INFO L85 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2022-07-12 03:04:28,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 03:04:28,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651224949] [2022-07-12 03:04:28,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:04:28,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 03:04:28,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 03:04:28,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 03:04:28,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 03:04:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:04:28,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 03:04:28,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:04:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:04:29,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 03:04:29,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 03:04:29,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651224949] [2022-07-12 03:04:29,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651224949] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:04:29,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:04:29,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 03:04:29,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099490913] [2022-07-12 03:04:29,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:04:29,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 03:04:29,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 03:04:29,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 03:04:29,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:04:29,318 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-07-12 03:04:29,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:04:29,320 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2022-07-12 03:04:29,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 03:04:29,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-07-12 03:04:29,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:04:29,321 INFO L225 Difference]: With dead ends: 52 [2022-07-12 03:04:29,321 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 03:04:29,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:04:29,322 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:04:29,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time] [2022-07-12 03:04:29,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 03:04:29,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 03:04:29,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-07-12 03:04:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 03:04:29,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-07-12 03:04:29,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:04:29,323 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 03:04:29,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-07-12 03:04:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 03:04:29,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 03:04:29,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 03:04:29,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 03:04:29,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 03:04:29,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 03:04:31,847 INFO L899 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2022-07-12 03:04:31,848 INFO L895 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2022-07-12 03:04:31,848 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 03:04:31,848 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2022-07-12 03:04:31,848 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2022-07-12 03:04:31,848 INFO L895 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2022-07-12 03:04:31,849 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2022-07-12 03:04:31,849 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2022-07-12 03:04:31,849 INFO L899 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,849 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2022-07-12 03:04:31,850 INFO L895 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2022-07-12 03:04:31,851 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2022-07-12 03:04:31,851 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2022-07-12 03:04:31,851 INFO L899 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2022-07-12 03:04:31,851 INFO L899 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,851 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,852 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2022-07-12 03:04:31,852 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2022-07-12 03:04:31,852 INFO L899 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2022-07-12 03:04:31,852 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2022-07-12 03:04:31,852 INFO L895 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2022-07-12 03:04:31,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 03:04:31,852 INFO L895 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2022-07-12 03:04:31,853 INFO L895 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 180) no Hoare annotation was computed. [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2022-07-12 03:04:31,853 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2022-07-12 03:04:31,854 INFO L899 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2022-07-12 03:04:31,854 INFO L895 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-12 03:04:31,854 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-12 03:04:31,854 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2022-07-12 03:04:31,854 INFO L895 garLoopResultBuilder]: At program point L162(lines 25 163) the Hoare annotation is: (exists ((|ULTIMATE.start_fmod_double_~y#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) |ULTIMATE.start_fmod_double_~y#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res#1|)) [2022-07-12 03:04:31,854 INFO L895 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,855 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 03:04:31,856 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2022-07-12 03:04:31,856 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2022-07-12 03:04:31,856 INFO L899 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,856 INFO L902 garLoopResultBuilder]: At program point L182(lines 165 183) the Hoare annotation is: true [2022-07-12 03:04:31,856 INFO L899 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2022-07-12 03:04:31,856 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2022-07-12 03:04:31,856 INFO L895 garLoopResultBuilder]: At program point L18(line 18) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) [2022-07-12 03:04:31,857 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2022-07-12 03:04:31,857 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2022-07-12 03:04:31,857 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2022-07-12 03:04:31,857 INFO L899 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2022-07-12 03:04:31,859 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-12 03:04:31,861 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 03:04:31,870 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,871 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,883 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,883 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,883 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,884 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,884 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,885 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,886 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,886 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,887 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,887 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,887 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,887 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,887 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,888 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,890 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 03:04:31 BoogieIcfgContainer [2022-07-12 03:04:31,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 03:04:31,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 03:04:31,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 03:04:31,895 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 03:04:31,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:03:51" (3/4) ... [2022-07-12 03:04:31,898 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 03:04:31,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-07-12 03:04:31,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-07-12 03:04:31,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 03:04:31,910 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 03:04:31,937 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 03:04:31,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 03:04:31,938 INFO L158 Benchmark]: Toolchain (without parser) took 44705.15ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 43.9MB in the beginning and 33.5MB in the end (delta: 10.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,938 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 03:04:31,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.12ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: -13.3kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.82ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,939 INFO L158 Benchmark]: Boogie Preprocessor took 56.87ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,939 INFO L158 Benchmark]: RCFGBuilder took 3879.51ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.0MB in the beginning and 49.3MB in the end (delta: -10.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,939 INFO L158 Benchmark]: TraceAbstraction took 40324.38ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 36.0MB in the end (delta: 12.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,940 INFO L158 Benchmark]: Witness Printer took 43.46ms. Allocated memory is still 75.5MB. Free memory was 36.0MB in the beginning and 33.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 03:04:31,942 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.12ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: -13.3kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.82ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 41.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.87ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 39.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3879.51ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.0MB in the beginning and 49.3MB in the end (delta: -10.2MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 40324.38ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 36.0MB in the end (delta: 12.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 43.46ms. Allocated memory is still 75.5MB. Free memory was 36.0MB in the beginning and 33.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 178]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 11.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 322 SdHoareTripleChecker+Invalid, 10.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 81 IncrementalHoareTripleChecker+Unchecked, 163 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 159 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 15.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 49 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 23.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 7 QuantifiedInterpolants, 249 SizeOfPredicates, 17 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2022-07-12 03:04:31,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,950 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,951 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,955 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,956 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2022-07-12 03:04:31,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,957 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y#1 : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y#1), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y#1)) == \result) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2022-07-12 03:04:31,958 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 03:04:31,958 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-07-12 03:04:32,191 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-07-12 03:04:32,270 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE